Zermeen Zerish, and Zahra Jabeen. “COMPARISON OF EFFECTIVENESS OF EXERCISE THERAPY VERSUS TRANSCUTANEOUS ELECTRICAL NERVE STIMULATION IN PAIN MANAGEMENT FOR NON-SPECIFIC LOW BACK PAIN ”. Journal of University Medical & Dental College, Vol. 8, no. 3, June 2017, pp. 34-37, https://www.jumdc.com/index.php/jumdc/article/view/138.