Wan Ahmad, W. S., and Z. Aini. “Al-Hikmah Rethorical Da’wah Through Gentle Method In "Tenggelamnya Kapal Van Der Wijck&Quot; Novel Written By HAMKA: Retorik Dakwah Al-Hikmah Menerusi Kaedah Lembut Dalam Novel Tenggelamnya Kapal Van Der Wijck Karya HAMKA”. Al-Qanatir: International Journal of Islamic Studies, vol. 13, no. 1, Dec. 2018, pp. 1-13, https://al-qanatir.com/aq/article/view/180.