Hj Syed Hussin, S. A. “Uslub Al-Hikmah, Al-Mau’izah Al-Hasanah Dan Mujadalah Bi Al-Husna Mengikut Pandangan Ulamak”. Jurnal Usuluddin, vol. 4, Dec. 1996, pp. 49-70, https://ejournal.um.edu.my/index.php/JUD/article/view/3037.