Harahap, M. A., D. Situngkir, A. Irfandi, I. M. Ayu, and C. A. K. Muda. “THE DIFFERENCE OF MUSCULOSKELETAL DISORDERS BEFORE AND AFTER WORKPLACE STRETCHING EXERCISE”. Journal of Vocational Health Studies, vol. 5, no. 2, Nov. 2021, pp. 126-32, doi:10.20473/jvhs.V5.I2.2021.126-132.