1. Behrens,C. (2018). Strategic Learning Ideologies in Prison Education Programs. IGI Global.
2. Becker, G., & C. Mulligan, (1997). The Endogenous Determination of Time Preference. The Quarterly Journal of Economics, 112(3), 729-758.
3. Bosselmann, K. (2010). Losing the forest for the trees: environmental reductionism in the law. Sustainability, 2, 2424-2448.
4. Billiet, C., & Rousseau, S. (2014). How real is the threat of imprisonment for environmental crime?. European Journal of Law and Economics, 37(2), 183–198.
5. Cohen, M. A. (1992). Environmental Crime and Punishment: Legal/ Economic Theory and Empirical Evidence on Enforcement of Federal Environmental Statutes. Journal of Criminal Law and Criminology, 82(4).
6. Dernbach, J. C., & Mintz, J. A. (2011). Environmental Laws and Sustainability: An Introduction. Sustainability, 3, 531-540.
7. Estrada-Carmona, N., Hart, A. K., DeClerck, F. A., Harvey, C. A., & Milder, J. C.(2014). Integrated landscape management for agriculture, rural livelihoods, and ecosystem conservation: an assessment of experience from Latin America and the Caribbean, Landscape Urban Plan, 129, 1-11.
8. Forestry Department Peninsular Malaysia (FDPM) (2010). Forestry Statistics Peninsular Malaysia 2009. Forestry Department Peninsular Malaysia, Kuala Lumpur, Malaysia.
9. Forestry Department Peninsular Malaysia (FDPM) (2016). Forest Offence. https://www.forestry. gov.my/index.php/en/2016-06-07-02-31-39/2016-06-07-02-35-17/forest-offence
10. Glaeser, E. L. (1999). An Overview of Crime and Punishment by. Harvard University and NBER.
11. Haore, A. (2015). Tackling Illegal Logging and the Related Trade. What Progress and Where Next. Chatham House Report. Chatham House. The Royal Institute of International Affairs.
12. Heiman, G. W. (2014). Basic Statistics for the Behavioral Science (7th ed.). Wadsworth. Cengage Learning.
13. Kadir, R., & Muhamad, S. (2012). Insider Trading in Malaysia; Sanctions and Enforcement. Advances in Natural and Applied Science, 904-908.
14. Kamaruzaman, J., & Dahlan, T. (2008). Sustainable Forest Management Practices and Environmental Protection in Malaysia. Wseas Transactions On Environment And Development.
15. Manual Perhutanan (2003). Jabatan Perhutanan Semenanjung Malaysia. Ampang Press Sdn Bhd
16. MacDicken, K.G., Sola, P., Hall, J. E., Sabogal, C., Tadoum., & Weisseige. C. (2015). Global progress towards sustainable forest management. Forest Ecology and Management, 352, 47–56.
17. Reynolds, K. M., Johnson, K., & Gordon, S. N. (2003). The science/policy interface in logic based evaluation of forest ecosystem sustainability. Forest Policy and Economics, 5(4), 433–446.
18. Rosseau, S., & Telle, K. (2010). On the existence of the optimal fine for environmental crime. Internationals Review of Law and Economics, 30, 329–337.
19. Sharma, J. K. (2007). Business Statistics (2nd ed.). Pearson Education.
20. Sayer, J. A., Margules, C., Boedhihartono, A. K., Sunderland, T., Langston, J. D., Reed, J., Riggs, R., Buck, L. E., Campbell, B. M., Kusters, K., Elliott, C., Minang, P. A., Dale, A., Purnomo, H., Stevenson, J. R., Gunarso, P., & Purnomo, A., (2017). Measuring the effectiveness of landscape approaches to conservation and development. Sustainability Science, 12(3).
21. World Bank. (2006). Strengthening Forest Law Enforcement and Governance: Addressing a Systematic Constraint to Sustainable Development.
22. Yamada, Y. (2018). Can a regional-level forest management policy achieve sustainable forest management?. Forest Policy and Economics, 90, 82–89.