Kasur, A., and M. el-Sawahly. “The Attitude of Al-Khatīb Al-Shirbīni of the Poetic Necessity”. Al-Ḍād Journal, vol. 4, no. 1, Oct. 2020, pp. 87-108, https://ejournal.um.edu.my/index.php/aldaad/article/view/26854.