Arum Angger Rosiah, Sukarmin, Agus S, Arief G. “Newton’s Law Module and Its Application to Improve Students’ Critical-Thinking Skills”. Design Engineering (December 2, 2021): 2121 - 2136. Accessed May 3, 2024. http://www.thedesignengineering.com/index.php/DE/article/view/7156.