Pradhan, M., S. Dhital, S. Dahal, U. Joshi, P. Sherchan, and P. Pokhrel. “Occlusal Characteristics Including Spacing Among Preschool Children: A Cross-Sectional Study”. Journal of Chitwan Medical College, vol. 9, no. 4, Dec. 2019, pp. 28-31, https://nepjol.info./index.php/JCMC/article/view/26896.