Shofwan, Arif Muzayin. “Studi Sosio-Historis Berdirinya Nahdlatul Ulama Cabang Blitar”. Al-Astar 2, no. 2 (September 30, 2023): 1–17. Accessed April 26, 2026. https://jurnal.staimempawah.ac.id/index.php/alastar/article/view/50.