1. Allen, W. & Kilvington, M. (2001). Manaaki Whenua Landcare Research. Landcare Research. Retrieved 10 July 2007 www. landcareresearch.co.nz/research/social/ stakeholders.asp.
2. Babbie, E. (2005). The Basics of SocialResearch (3rd Ed). London: Thompson Wadsworth Learning.
3. Buckley, R. (2004). Impacts Positive and Negative: Links Between Ecotourism and Environment. In R. Buckley (Ed.), Environmental Impacts of Ecotourism. Wallingford, Oxfordshire: CABI Publishing.
4. Byrd, E. (2007). Stakeholders in Sustainable Tourism Development and their Roles: Applying Stakeholder Theory to Sustainable Tourism Development. Tourism Review, 62(2): 6–13.
5. Ceballos-Lascuráin, H. (1996). Tourism, Ecotourism and Protected Areas: The State of Nature-based Tourism Around the World and Guidelines for Its Development. Gland, Switzerland and Cambridge, UK: International Union for Conservation of Nature and Natural Resources (IUCN).
6. Chan, N. W., Ismail, Wan Ruslan & Ibrahim, Abdul Latif. (2003). The Geography, Climate and Hydrology of Pantai Acheh Forest Reserve. In C. L. K. (Ed.), Pantai Acheh Forest Reserve: The Case for a State Park (pp. 38–54). Penang: Penerbit Universiti Sains Malaysia.
7. Chin, C. L. M., A., Moore S., & J., Wallington T. (2000). Ecotourism in Bako National Park, Borneo: Visitors’ Perspectives on Environmental Impacts and their Management. Journal of Sustainable Tourism, 8(1): 20–35.
8. Chua, L. S. L. (2008). Agarwood (Aquilaria malaccensis) in Malaysia. Retrieved from http://www.conabio.gob.mx/institucion/ cooperacion_internacional/TallerNDF/ Links-Documentos/Casos%20de%20 Estudio/Trees/WG1%20CS3.pdf .
9. CI. (2015). A Practical Guide to Good Practice for Tropical Forest-based Tours. Conservation International (CI), Rainforest Alliance & United Nations Environment Programme.
10. Clarke, V. & Braun, V. (2013) Teaching Thematic Analysis: Over-coming Challenges and Developing Strategies for Effective Learning. The Psychologist, 26(2): 120– 123.
11. Clarkson, M. B. E. (1995). A Stakeholder Framework for Analyzing and Evaluating Corporate Social Performance. Academy of Management Review, 20(1): 92–117.
12. Das, S. (2011). Ecotourism, Sustainable Development and the Indian State. EPW, XLVI(37).
13. Donaldson, T., & Preston, L. E. (1995). The Stakeholder Theory of the Corporation: Concepts, Evidence and Implications. The Academy of Management Review, 20(1): 65–91.
14. DWNP. (2008). Department of Wildlife and National Parks. www.wildlife.gov.my [2 Jun 2008].
15. DWNP. (2017). Department of Wildlife and National Parks. Frost, W. (2004). Rainforest. In R. Buckley (Ed.), Environmental Impacts of Ecotourism (pp. 193–204). Wallingford, Oxfordshire: CABI Publishing.
16. Eagles, P. F. J., McCool, S. F., & Haynes, C. D. (2002). Sustainable Tourism in Protected Areas: Guidelines for Planning and Management. Cambridge: IUCN Publications Services Unit.
17. Elite. (September 2016). Diplomat: Malaysia on the Move. August-September 2016. http://www.eliteplusmagazine.com/home/ content/356/3.
18. Freeman, R. E. (1984). Strategic Management: A Stakeholder Approach. Boston: Pitman.
19. Friedman, M. T. & Mason, D. S. (2005). Stakeholder Management and the Public Subsidisation of Nashville’s Coliseum. Journal of Urban Affairs, 27(1): 93–118.
20. Gee, C.Y., & Fayos-Sola, E. (1997). International Tourism: A Global Perspective. Madrid: World Trade Organization.
21. Ghazali, S., & Sirat, M. (2011). Global Ecotourism and Local Communities in Rural Areas. Penang: Penerbit Universiti Sains Malaysia.
22. Gossling, S. (2002). Global Environmental Consequences of Tourism. Global Environmental Change, 12: 283–302.
23. Hazebroek, H. P., & Morshidi, A. K. A. (2002). A guide to Gunung Mulu National Park: A world heritage site in Sarawak, Malaysian Borneo. In K. M. Wong (Ed.). Kota Kinabalu, Sabah: Natural History Publications (Borneo).
24. Hearne, R. R., & Santos, C. A. (2005). Tourist and Local Preferences toward Ecotourism Development in the Maya Biosphere Reserve, Guatemala. Environment, Development and Sustainability, 7: 303–318.
25. Honey, M. (2002). Ecotourism and Certification: Setting Standards in Practice. Washington DC: Island Press.
26. Hoshaw, Lindsey. (2010). The world’s best green vacations. http://www.forbes.com/ 2010/04/28/sustainable-adventure-traveltechnology-ecotech-ecotourism.html.
27. Jamieson, W., & Jamal, T. (1997). Tourism Planning and Destination Management. In C. Gee & E. Fayos-Sola (Eds.), International Tourism: A Global Perspective (Vol. 321–337). Madrid, Spain: World Tourism Organization.
28. Jennings, G. R. (2004). Interviewing: A Focus on Qualitative Techniques. In B. W. Richie (Ed.), Tourism Research Methods: Integrating Theory and Practice (pp. 99–118). Wallingford, Oxfordshire: CABI Publishing.
29. Kaffashi, S., Radam A., Shamsudin M. N., Yacob M. R. & Nordin, N. H. (2015). Ecological Conservation, Ecotourism, and Sustainable Management: The Case of Penang National Park. Forests, 6: 2345–2370; doi:10.3390/ f6072345.
30. Kruger, O. (2005). The Role of Ecotourism in Conservation: Panacea or Pandora`s Box? Biodiversity and Conservation, 14: 579– 600.
31. Lindberg, K. (2001). Economic Impact. The Encyclopedia of Ecotourism, 5(23): 363– 377.
32. Martinez-Ribes, L., Basterretxea, G., Palmer, M., & Tintore, J. (2007). Origin and Abundance of Beach Debris in the Balearic Islands. Sci. Mar., 71: 305–314.
33. Neo, S. M., Choong, W. W., & R., Ahamad. (2016). Environmental Awareness and Behaviour Index for Malaysia. Procedia - Social and Behavioral Sciences, 222: 668– 675.
34. NRE. (2013). Kawasan Berhutan. Ministry of Natural Resources and Environment website. http://smanre.mygeoportal.gov. my/smanre/hutan/kwsn_hutan.php.
35. Ong, H. P. (2016). Ecotourism in UNESCO World Heritage Sites: Uplifting Communities, Opportunities and Economies. TEAM Journal of Hospitality and Tourism, 13(1): 77–79.
36. Orams, M. B. (2000). Feeding Wildlife as a Tourism Attraction: A Review of Issues and Impacts. Tourism Management, 23: 281–293.
37. Orams, M. B. (2001). Types of Ecotourism. In D. B. Weaver (Ed.). The Encyclopedia of Ecotourism (pp. 23–36). Wallingford: CABI Publishing.
38. Ramadhon, A., Yulianda, F., Bengen, D., & Adrianto, L. (2014). Sustainable Tourism Based on Carrying Capacity and Ecological Footprint at Sapeken Archipelago, Indonesia. International Journal of Ecosystem, 4(4): 190–196. DOI: 10.5923/j. ije.20140404.05.
39. Sato, T., Hong, C. W., Masazumi, A. O., Mohamed, B., & Chan, N. W. (2013). Kajian Perbandingan Isu dan Cabaran Ekopelancongan di Taman Negara Pulau Pinang dan Taman Kinabalu, Malaysia. Paper Presented at the Prosiding Seminar Serantau Ke-2 Pengurusan Persekitaran di Alam Melayu, Pekanbaru, Indonesia.
40. Santos, I. R., Friedrich, A. C., WallnerKersanach, M., & Fillmann, G. (2005). Influence of Socio-economic Characteristics of Beach Users on Litter Generation. Ocean Coast Management, 48: 742–752.
41. Santos, I.R., Friedrich, A. C., Wallner-Kersanach, M. & Ivar do Sul, J. A. (2009). Marine Debris Contamination Along Undeveloped Tropical Beaches from Northeast Brazil. Environ. Monit. Assess., 148: 455–462.
42. Shuib, A., & Abidin, Z. Z. (2002). Criteria and Indicators of A Sustainable Development of Ecotourism Resources: An Application of the Delphi technique. Borneo Review, 13(1): 73–90.
43. Sindiga, I. (1999). Tourism and African Development: Change and Challenge of Tourism in Kenya. Aldershot: Ashgate.
44. TIES. (2015). The International Ecotourism Society website. http://www.ecotourism. org/what-is-ecotourism.
45. Thiel, M., Hinojosa, I.A., Miranda, L., Pantoja, J.F., M.M. Rivadeneira, & Vásquez, N. (2013). Anthropogenic Marine Debris in the Coastal Environment: A Multi-year Comparison Between Coastal Waters and Local Shores. Marine Pollution Bulletin, 71: 307–316.
46. Tourism Malaysia. (2009). Annual Tourism Statistical Report. Tourism Key Performance Indicators. Kuala Lumpur: Ministry of Tourism.
47. UNEP. (2015). Conservation International, Rainforest Alliance, UNEP. A Practical Guide to Good Practice for Tropical ForestBased Tours. http://www.rainforest-alliance.org/sites/default/ files/publication/pdf/good_practice.pdf.
48. Usui, R., Sheeran, L. K., Li, J. H., Sun, L., Wang, X., J.Pritchard, A., DuVall-Lash, A. S. & Wagner, R.S. (2014). Park Rangers’ Behaviors and Their Effects on Tourists and Tibetan Macaques (Macaca thibetana) at Mt. Huangshan, China. Animals, 4: 546– 561. doi: 10.3390/ani4030546.
49. Varvasovszky, Z., & Brugha, R. (2000). How to Do (or Not to Do)… A stakeholder Analysis. Health Policy and Planning, 15(3): 338–345.
50. Walpole, M. J., Goodwin, J. J., & R.Ward, K. G. (2001). Pricing Policy for Tourism in Protected Areas: Lessons from Komodo National Park, Indonesia. Conservation Biology, 15: 218–227.