Yusof, A. “SUMBANGAN ’ALI BIN ABI TALIB R.’A DALAM BIDANG ’ULUM AL-NAQLIYYAH”. Journal of Al-Tamaddun, vol. 2, no. 1, Dec. 2007, pp. 113-37, https://borneojournal.um.edu.my/index.php/JAT/article/view/7897.