Khanal, K., Shrestha, D., Ghimire, N., Younjan, R. and Sanjel, S. (2015) “Assessment of Knowledge Regarding Oral Hygiene among Parents of Pre-School Children Attending Pediatric Out Patient Department in Dhulikhel Hospital”, Kathmandu University Medical Journal, 13(1), pp. 38–43. doi: 10.3126/kumj.v13i1.13751.