MARWATI, Dahlia Shofa; SUBAYANI, Nataria Wahyuning; UMAM, Nanang Khoirul. The Enhancement of The Ability to Calculating Multiplication in Elementary Schools Using Cogglak Media to Catch Up Post Covid-19. Journal Universitas Muhammadiyah Gresik Engineering, Social Science, and Health International Conference (UMGESHIC), [S. l.], v. 2, n. 1, p. 212–221, 2023. DOI: 10.30587/umgeshic.v2i1.5155. Disponível em: https://journal.umg.ac.id/index.php/umgeshic/article/view/5155. Acesso em: 7 jun. 2025.