“The Influence of Discipline and the Work Environment on Teacher Productivity at SMPN Paguyaman District of Boalemo Regency” (2021) Jurnal Ilmu Manajemen dan Bisnis, 9(2), hlm. 1–7. Tersedia pada: https://journals.ubmg.ac.id/index.php/JIMB/article/view/160 (Diakses: 3 April 2026).