“The Influence of Discipline and the Work Environment on Teacher Productivity at SMPN Paguyaman District of Boalemo Regency”, JIMB, vol. 9, no. 2, hlm. 1–7, Jan 2021, Diakses: 3 April 2026. [Daring]. Tersedia pada: https://journals.ubmg.ac.id/index.php/JIMB/article/view/160