Zainan Nazri, M. K. N., M. Ahmad, A. Mohamed Yusoff, F. Mohd Amin, and M. Mat Ishak. “The Concept of Rewards and Punishments in Sahih Bukhari With Special Reference to Kitab Al-Adab”. Jurnal Usuluddin, vol. 22, Dec. 2005, pp. 105-20, https://ijie.um.edu.my/index.php/JUD/article/view/4234.