Marwati, Dahlia, Nataria Wahyuning Subayani, & Nanang Khoirul Umam.
" The Enhancement of The Ability to Calculating Multiplication in Elementary Schools Using Cogglak Media to Catch Up Post Covid-19." <em>Journal Universitas Muhammadiyah Gresik Engineering, Social Science, and Health International Conference (UMGESHIC)</em> [Online], 2.1 (2023): 212-221. Web.  4 May. 2024