Waseif, A., M. Waseif, M. Omar, M. Abd el Latief, and W. Abd el Qader. “The Problem of Using Conservative or Liberal Typography in the Printed Graphic Design”. Dirasat: Human and Social Sciences, vol. 47, no. 3, Nov. 2020, http://archives.ju.edu.jo/index.php/hum/article/view/101011.