Haziza, H., Sumiharsono, R., & Triwahyuni, E. (2023). The Effect of Using E-modules in Mathematics Subjects on Increasing Concept Understanding and Critical Thinking. EDUCATIO : Journal of Education, 8(1), 113-122. Retrieved from https://ejournal.staimnglawak.ac.id/index.php/educatio/article/view/1409