Pasaribu, Eva, Sukardo Sitohang, and Sondang Simanjuntak. “Development of a Jigsaw Type Cooperative Learning Model Based on 6C to Improve Social Attitudes and Interpersonal Skills Students’ Civics in Primary Schools”. International Journal of Contemporary Studies in Education (IJ-CSE) 3, no. 1 (March 29, 2024): 61–68. Accessed June 26, 2025. https://journals.eduped.org/index.php/ijcse/article/view/981.