Alauddin, Nursuhana, and Solehuddin Shuib. “Systematic Cost Framework by Application of Universal Design (UD) Concept for Operating Instructions in Design Stage”. International Journal of Engineering & Technology 7, no. 4.18 (November 27, 2018): 1–4. Accessed November 22, 2024. https://sciencepubco.com/index.php/ijet/article/view/21809.