Tahir, Adeel, Ulfat Bashir, and Arsalan Hamid Khan. 2018. “Comparison of Bracket Retention of a Resin Modified Glass Ionomer Cement and a Resin Based Adhesive”. Pakistan Orthodontic Journal 10 (2):82-86. https://mail.poj.org.pk/index.php/poj/article/view/229.