R. S. Winarno, Saipul Nasution, Jamhuri, Iman Nur Hidayat, and Meitria Cahyani, “ANALYSIS OF THE ’URF CONCERNING THE PROHIBITION OF NGALOR NGULON MATRIMONY IN TUMPAKKEPUH VILLAGE, BAKUNG, BLITAR”, sahaja, vol. 4, no. 1, pp. 384-398, Mar. 2025.