Erika, Erika, Syahrial Syahrial, and Hikmawati Hikmawati. “The Impact of Physics Modules Based on Problem Based Learning on The Problem-Solving Abilities of Students in the Material of Optical Instruments”. AMPLITUDO : Journal of Science and Technology Innovation 3, no. 1 (February 21, 2024): 65–73. Accessed October 22, 2024. https://journals.balaipublikasi.id/index.php/amplitudo/article/view/160.