D. J. . Roy, D. A. . Dutta, D. M. . Koch, and D. L. . . Boruah, “TO STUDY THE EFFECT OF AGILITY AND PERTURBATION EXERCISES VERSUS DYNAMIC RESISTANCE EXERCISES TO IMPROVE KNEE FUNCTION IN KNEE OSTEOARTHRITIS A COMPARATIVE STUDY”, Int J Physio, vol. 2, no. 5, pp. 834–839, Oct. 2015.