Hendawati, Yuyu, Tati Sumiati, Suko Pratomo, Fitri Nuraeni, and Yanti Susilawati. 2020. “The Impact of Thematic Learning Using Index Card Match Instructional Model on Students’ Conceptual Understanding”. International Conference on Elementary Education 2 (1). Bandung, Indonesia, 459-72. https://proceedings.upi.edu/index.php/icee/article/view/650.