Nasution, Jamilah. “Flattening the ALS to Increase the Workable Flat Surface Area for Production of Disposable Dining Wares”. International Journal of Psychosocial Rehabilitation 24, no. 6 (June 30, 2020): 5088–5100. Accessed August 2, 2025. https://psychosocial.com/index.php/ijpr/article/view/6996.