Rahim, Norfariana, and Tien Tien Lee. 2021. “Development of Acid Base E-Learning (e-PAB) Module Using Google Classroom: Pembangunan Modul E-Pembelajaran Asid Bes (e-PAB) Menggunakan Google Classroom”. Journal of Science and Mathematics Letters 9 (1):1-10. https://doi.org/10.37134/jsml.vol9.1.1.2021.