Afsyari, Tria, and Hermien Tridayanti. “Analysis of the Discipline Factors of Employees at the Sony Sugema College Surabaya Tutoring Institute”. IJIEEB International Journal of Integrated Education, Engineering and Business eISSN 2615-1596 pISSN 2615-2312 1, no. 1 (March 31, 2018): 41-52. Accessed December 5, 2025. http://jurnal.narotama.ac.id/index.php/ijieeb/article/view/793.