Ahmad Tajudin, M. K. A. and Nurul Huda Juwaini (2024) “Studies On Customer Service Quality Management In Schools Using The DMAIC”, Jurnal Kejuruteraan, Teknologi and Sains Sosial (JKTSS), 7(3). Available at: https://jktss.puo.edu.my/jurnalpuo/index.php/jurnal/article/view/89 (Accessed: 10 January 2025).