Asghar, S. ., R. A. . Butt, S. I. A. . Jafari, A. . Nasir, and S. A. . Ahmed. “Frequency Of Dental Caries On Individual Tooth Surfaces Of First Permanent Molars Between 6-13 Years Old Children”. Journal of Bahria University Medical and Dental College, vol. 5, no. 1, June 2015, pp. 16-19, https://jbumdc.bahria.edu.pk/index.php/ojs/article/view/614.