M. Ansyar Bora, Jalius Jama, Syahril. “Practicality Of Participatory Ergonomics And Teaching Factory Models In Metal Welding Training (Case Study At Batam Training School)”. International Journal of Advanced Science and Technology, Vol. 29, no. 08, June 2020, pp. 1581-8, https://sersc.org/journals/index.php/IJAST/article/view/22252.