Peran Tokoh Informal dalam Meningkatkan Mutu Pendidikan Umat di PP. An-Nuriyah Kaliwining Rambipuji Jember: The Role of Informal Leaders in Enhancing the Quality of Community Education at An-Nuriyah Islamic Boarding School, Kaliwining, Rambipuji, Jember. FN [Internet]. 2006 Jul. 11 [cited 2025 Aug. 23];5(2):83-92. Available from: https://fenomena.uinkhas.ac.id/index.php/fenomena/article/view/393