Hj Syed Hussin, Syed Abdurahman. 1996. “Uslub Al-Hikmah, Al-Mau’izah Al-Hasanah Dan Mujadalah Bi Al-Husna Mengikut Pandangan Ulamak”. Jurnal Usuluddin 4 (December):49-70. http://mojes.um.edu.my/index.php/JUD/article/view/3037.