Kaweruhan, Muhammad, Saimara A.M Sebayang, and Muhammad Daulay. “The Effect of External and Internal Motivational Factors on Employee Performance at State Islamic Junior High School 3 Deli Serdang”. Jurnal Fokus Manajemen 6, no. 4 (November 4, 2026): 1211-1222. Accessed November 5, 2026. https://jurnal.unived.ac.id/index.php/fokusman/article/view/12719.