Soewardi, Hartomo, and Ken Arum Dindadhika. “Redesign of Innovative and Ergonomic College Chair to Improve Student Performance”. International Journal of Engineering and Technology 7, no. 3.25 (August 14, 2018): 423–431. Accessed February 12, 2026. https://www.sciencepubco.com/index.php/IJET/article/view/17724.