Mampouw, Helti Lygia, Yogani Indah Pawestri, and Tri Nova Hasti Yunianta. 2023. “Development of Flip PDF And Video Based E-Modules to Improve Mathematics Learning Outcomes”. Numerical: Jurnal Matematika Dan Pendidikan Matematika 7 (1):211-22. https://doi.org/10.25217/numerical.v7i1.3296.