Ahmad Nabil Amir. “THE ARRIVAL AND SPREAD OF ISLAM IN THE MALAY ARCHIPELAGO: AS REFLECTED AND SET FORTH IN HAMKA’S HISTORICAL WORK SEJARAH UMAT ISLAM”. Jurnal Al-Sirat, vol. 20, no. 1, Jan. 2022, pp. 40-48, https://ejournal.unipsas.edu.my/index.php/alsirat/article/view/222.