KONTRIBUSI KOIN UMAYYAH TEMUAN SITUS BONGAL TERHADAP HISTORIOGRAFI ISLAM DI SUMATERA UTARA. yupa. hist. stud. j. [Internet]. 2022 Dec. 10 [cited 2026 Aug. 3];6(2):125-48. Available from: https://jurnal.fkip.unmul.ac.id/index.php/yupa/article/view/1504