Rukbi, Dasep Ahmad, Nandang Hidayat, and Henny Suharyati. “STRATEGIES TO STRENGTHEN VISIONARY LEADERSHIP, LEARNING COMMUNITIES, AND COLLECTIVE EFFICACY TO INCREASE THE EFFECTIVENESS OF DIFFERENTIATED LEARNING”. ELSE (Elementary School Education Journal): Jurnal Pendidikan dan Pembelajaran Sekolah Dasar 8, no. 3 (January 14, 2025). Accessed December 5, 2025. https://journal.um-surabaya.ac.id/pgsd/article/view/24132.