Marwati, Dahlia Shofa, Nataria Wahyuning Subayani, and Nanang Khoirul Umam. 2023. “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) 2 (1):212-21. https://doi.org/10.30587/umgeshic.v2i1.5155.