Kamarul Zaman, Muhammad Akramin. “Sah (الصحة) Dan Batal (البطلان) Menurut Ulama Usul Fiqh: Validity and Invalidity According to Scholars of Islamic Jurisprudence Principle”. Perspektif Jurnal Sains Sosial dan Kemanusiaan 9, no. 3 (December 22, 2017): 116–124. Accessed April 28, 2024. https://ejournal.upsi.edu.my/index.php/PERS/article/view/1772.