Rinny Iskandar, M. Meltarini, and Marja Sinurat. “Enhancing The Quality Of Non-Formal Education: A Study On Performance Management At PKBM Imam Syafe’i In Bandung Regency)”. Jurnal Scientia, Vol. 13, no. 03, July 2024, pp. 309-24, https://infor.seaninstitute.org/index.php/pendidikan/article/view/2502.