Rosfiani, Okta, Tri Nuraini, Fitra Turiskia, Hafidzah Khairunnisa, and Hafidz Qurnia Sholeh. “Improving Mathematics Learning Outcomes of Third-Grade Students on the Material of Calculating the Perimeter and Area of Flat Buildings through the STAD Type Cooperative Learning Model”. International Journal of Multidisciplinary Approach Research and Science 2, no. 01 (December 25, 2023): 455–464. Accessed July 23, 2025. https://risetpress.com/index.php/ijmars/article/view/532.