SUGYARTO. The Effect of Joyful Learning Strategies on the results of learning to understand Quadratic Functions: The Effect of Joyful Learning Strategies . Journal of diversity in learning (JDIL), [S. l.], v. 1, n. 1, p. 29-40, 2021. Disponível em: https://journalofdiversity.com/index.php/jdil/article/view/7. Acesso em: 25 apr. 2026.