Zulherman. “Cooperative Learning Model Type of Index Card Match Against Science Learning Outcomes in Elementary School 1Zulherman”. International Journal of Psychosocial Rehabilitation 24, no. 6 (June 30, 2020): 2425–2433. Accessed July 7, 2025. https://psychosocial.com/index.php/ijpr/article/view/6711.