Kaharu, Sarintan N., Yusdin Gagaramusu, Azizah Azizah, Nurul Kamisani, Nurgan Tadeko, and Jusman Mansyur. “Development of an Online Two-Tier Test on Objects in Static Fluid”. Pegem Journal of Education and Instruction 14, no. 3 (April 5, 2024): 363–375. Accessed July 11, 2025. https://pegegog.net/index.php/pegegog/article/view/3301.