Ahmad, I. (2023) “LEADERSHIP, COMMITMENT AND WORK CULTURE : THEIR IMPACT ON EMPLOYEE PRODUCTIVITY ”, JPIM (Jurnal Penelitian Ilmu Manajemen), 8(3), hlm. 455–473. Tersedia pada: https://jurnalekonomi.unisla.ac.id/index.php/jpim/article/view/1801 (Diakses: 24 Juni 2026).