Achjadilaga, Undang, and Abdullah Yusoff. 2020. “Sumbangan Pendidikan Islam Persatuan Islam (PERSIS) Dalam Implementasi Pendidikan Nasional Di Jawa Barat, Indonesia: Contribution of PERSIS on Islamic Education in Implementation of National Education in West Java, Indonesia”. Al-Muqaddimah: Online Journal of Islamic History and Civilization 7 (2):35-52. https://vmis.um.edu.my/index.php/MUQADDIMAH/article/view/24312.