Ismail, M. U., R. M. Ahmad Zakaria, and Z. Ramli. “Three Early Islamic Stelae Found in the Malay Archipelago and Its Artistic Relation With the Eastern Islamic World”. Journal of Al-Tamaddun, vol. 18, no. 2, Dec. 2023, pp. 87-104, http://adum.um.edu.my/index.php/JAT/article/view/37149.