Development and Trial of Environmentally Friendly Teaching Aids for Basic Mathematics Learning in Early Childhood Education. Sciences du Nord Humanities and Social Sciences, [S. l.], v. 1, n. 02, p. 85–96, 2024. DOI: 10.71238/snhss.v1i02.90. Disponível em: https://north-press.com/index.php/snhss/article/view/90.. Acesso em: 21 dec. 2025.