Sajjad, Sadia, et al. “KNOWLEDGE, ATTITUDE AND PRACTICES OF PRIMARY SCHOOL TEACHERS REGARDING ORAL HEALTH IN PUBLIC AND PRIVATE SCHOOLS OF RAWALPINDI: KAP of Oral Health in Public Schools”. Pakistan Armed Forces Medical Journal, vol. 66, no. 3, June 2016, pp. 371-76, https://pafmj.org/PAFMJ/article/view/1309.