1. Âli Yurdun Orbak, Metin Küçük, Mehmet Akansel, Shubham Sharma, Changhe Li, Raman Kumar, Sunpreet Singh, Gianpaolo Di Bona, Mathematical Model Assisted Six-Sigma Approach for Reducing the Logistics Costs of a Pipe Manufacturing Company: A Novel Experimental Approach, Mathematics, 10.3390/math11030621, 11, 3, (621), (2023).
2. Anaman, Michael; Lycett, Mark; and Love, Steve, "Enhancing Customer Experience within the Mobile Telecommunications Industry" (2008). ECIS 2008 Proceedings. 188.https://aisel.aisnet.org/ecis2008/188
3. B. RADHA KRISHNAN, K. ARUN PRASATH (2013). SIX SIGMA CONCEPT AND DMAIC IMPLEMENTATION, International Journal of Business Management & Research (IJBMR) ISSN 2249-6920 Vol. 3, Issue 2 Jun 2013, 111-114
4. Calvo-Porral, C. and Lévy-Mangin, J.-P. (2015), “The influence of switching costs and satisfaction on loyalty towards smartphone service providers”, Computers in Human Behaviour, Vol. 49, pp. 532-540.
5. Cronemyr, P. (2007) ‘DMAIC and DMADV – differences, similarities and synergies’, Int. J. Six Sigma and Competitive Advantage, Vol. 3, No. 3, pp.193–209.
6. Joshi, S. (2014). Customer experience management: An exploratory study on the parameters affecting customer experience for cellular mobile services of a telecom company. Procedia-Social and Behavioral Sciences, 392-399.
7. Koripadu M., Subbaiah K.V. (2014). Problem Solving Management Using Six Sigma Tools & Techniques. INTERNATIONAL JOURNAL OF SCIENTIFIC & TECHNOLOGY RESEARCH VOLUME 3, ISSUE 2, FEBRUARY 2014. ISSN 2277-8616.
8. L. Hafiza, M. Reza, N. Mufti Adriansyah and I. Denny Setiawan. (2019) "Techno-Economics Study of Spectrum Sharing for Mobile Network Operator in Rural Area: Study Case: Multi-Operator Core Network (MOCN) Band 1800 MHz," 2019 Asia Pacific Conference on Research in Industrial and Systems Engineering (APCoRISE), Depok, Indonesia, 2019, pp. 1-6, doi: 10.1109/APCoRISE46197.2019.9318809.
9. Lu, Y., Zhang, L. & Wang, B. (2009). A multidimensional and hierarchical model of mobile service quality. Electronic Commerce Research and Applications, 8(5), 228-240.
10. R. Nossenson, "Long-term evolution network architecture," 2009 IEEE International Conference on Microwaves, Communications, Antennas and Electronics Systems, Tel Aviv, Israel, 2009, pp. 1-4, doi: 10.1109/COMCAS.2009.5385947.
11. S. K. Jha, R. Rokaya, A. Bhagat, A. R. Khan and L. Aryal, (2017) "LTE Network: Coverage and Capacity Planning — 4G Cellular Network Planning around Banepa," 2017 International Conference on Networking and Network Applications (NaNA), Kathmandu, Nepal, 2017, pp. 180-185, doi: 10.1109/NaNA.2017.23.
12. Salmiah Mohamad Amin, Ungku Norulkamar Ungku Ahmada, & S. H., Lim. (2012). Factors contributing to customer loyalty towards telecommunication service provider. Procedia-Social and Behavioral Sciences, 40, 282-286
13. Selvi K., Majumdar R. (2014). Six Sigma- Overview of DMAIC and DMADV. International Journal of Innovative Science and Modern Engineering (IJISME) ISSN: 2319-6386, Volume-2, Issue-5, April 2014
14. Turel, O., & Serenko, A. (2006). Satisfaction with mobile services in Canada: An empirical investigation. Telecommunications Policy, 30(5-6), 314-331.