Sitorus, ellen, and Haeruddin Haeruddin. “Academic Supervision, Work Motivation, and Collaborative Learning Practices in Enhancing Teacher Performance at Public Senior High Schools in Berau Regency”. Borneo Educational Journal (Borju) 7, no. 2 (July 28, 2025): 552–572. Accessed August 19, 2025. https://jurnal.fkip-uwgm.ac.id/index.php/Borju/article/view/2044.