Mayasari, Dian Puspita, Julianto Julianto, and Wiryanto Wiryanto. “Building Children’s Self-Efficacy Through Extracurricular Activities in Elementary Schools”. Journal of Innovation and Research in Primary Education 4, no. 2 (April 29, 2025): 187–194. Accessed January 21, 2026. https://ejournal.papanda.org/index.php/jirpe/article/view/1219.