Kadir, Mohd Nazir, et al. “A Systematic Analysis on Wujuh Qira’at in Ablution’s Verses and Its Implication to the Islamic Law for Recognition System”. Journal of Quranic Sciences and Research, vol. 1, no. 1, Jan. 2021, pp. 11-19, https://publisher.uthm.edu.my/ojs/index.php/jqsr/article/view/6688.