Jiemjai, Chanya, Santhanee Khruakhorn, and Patcharee Kooncumchoo. “Erector Spinae Muscle Activity During Lifted People With Two Persons in Lifting Phase of Manual Human Handling (MHH)”. Science & Technology Asia 24, no. 2 (May 23, 2019): 15-19. Accessed September 26, 2020. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/190616.