Dyavarishetty, P. V., and D. C. Patil. “An Interventional Study to Assess the Effectiveness of ‘WhatsApp’ As a Teaching Learning Tool in Community Medicine”. International Journal Of Community Medicine And Public Health, vol. 4, no. 7, June 2017, pp. 2564-9, doi:10.18203/2394-6040.ijcmph20172860.