HANI, Mutmaina; DURROTUNNISA, Durrotunnisa; AWALUNISAH, Sita; AGUSNIANTIH, Andi; RAZKIA, Razkia; MARCELLA, Vita; AGIS, Agis. The Effectiveness of Growth Mindset-Based Role Play in Improving Early Childhood Self-Confidence. Journal of Education Research, [S. l.], v. 7, n. 2, p. 1039–1048, 2026. DOI: 10.37985/jer.v7i2.3693. Disponível em: https://mail.jer.or.id/index.php/jer/article/view/3693. Acesso em: 2 jul. 2026.