Maesaroh, S. A. ., and L. Marlena. “Zoom Vs. Google Classroom: Which Is Likely More Effective for Supporting students’ Learning in Mathematics?”. Beta: Jurnal Tadris Matematika, vol. 14, no. 2, Dec. 2021, pp. 142-53, doi:10.20414/betajtm.v14i2.430.