Sulfa Muda, Usman Kaharu, & Lisda Van Gobel. (2021). The Influence of Discipline and the Work Environment on Teacher Productivity at SMPN Paguyaman District of Boalemo Regency. Jurnal Ilmu Manajemen Dan Bisnis, 9(2), 1-7. Retrieved from https://journals.ubmg.ac.id/index.php/JIMB/article/view/160