FATIYA; HAYATI, N. . The Effectiveness of Project-Based Learning on Early Childhood Problem-Solving Skills: An Experimental Study. International Journal of Education and Teaching Zone, [S. l.], v. 4, n. 2, p. 208–222, 2025. DOI: 10.57092/ijetz.v4i2.397. Disponível em: https://jurnal.yayasannurulyakin.sch.id/index.php/ijetz/article/view/397. Acesso em: 18 oct. 2025.