Shinwari, Muhammad Saad, et al. “EVALUATION OF MEAN SHEAR BOND STRENGTH OF ORTHODONTIC METAL BRACKETS BONDED WITH FLOWABLE COMPOSITES USED WITH AND WITHOUT INTERMEDIATE BONDING RESIN: AN IN VITRO STUDY”. Pakistan Oral & Dental Journal, vol. 37, no. 3, Sept. 2017, pp. 426-30, https://www.podj.com.pk/index.php/podj/article/view/53.