Kumar, C., S. Rao, and P. Thakur. “Effectiveness of Core Stability Exercise Program on Abdominal and Back Strength in School Going Children: A Randomized Controlled Trial”. International Journal of Nursing Didactics, vol. 5, no. 7, July 2015, pp. 07-13, doi:10.15520/ijnd.2015.vol5.iss7.100.07-13.