Macknight, S., R. Kumar, and S. K. Singh. “Effectiveness of a Planned Teaching Program Regarding Modified Bass Brushing Technique on Knowledge Among School Children at Selected School of Rural Area of Lucknow District”. International Journal Of Community Medicine And Public Health, vol. 8, no. 1, Dec. 2020, pp. 273-8, doi:10.18203/2394-6040.ijcmph20205707.