Mohd Yusoff, Zulkifli, and Abdul Hafiz Abdullah. 2013. “PEMIMPIN MENURUT PANDANGAN HAMKA: SATU TINJAUAN DALAM TAFSIR AL-AZHAR (Leadership According to HAMKA: A Review on Tafsir Al-Azhar)”. Journal of Al-Tamaddun 8 (1):17-38. http://mjs.um.edu.my/index.php/JAT/article/view/8647.