Ilmiyah, Nurul, Kuncahyono Kuncahyono, and Agus Tinus. 2026. “Using PhET Simulations and Differentiated Instruction to Improve Ninth-Grade Students’ Understanding of Physics Concepts”. Journal of General Education and Humanities 5 (4). Bandung, Indonesia:4743–4762. https://doi.org/10.58421/gehu.v5i4.1638.