Wulandari C. The Influence of Cooperative Learning Model Type of Group Investigation (Gi) Assistant Media Counting Funny on Understanding Multiplication Concept (Research on Class III Students of MI Muhammadiyah Sawangan). proceeding [Internet]. 2021 Dec. 8 [cited 2024 May 3];:471-80. Available from: https://repository.urecol.org/index.php/proceeding/article/view/1816