THEORETICAL FOUNDATIONS OF DEVELOPING KEY COMPETENCIES BASED ON INTERDISCIPLINARY CONNECTIONS IN PRIMARY GRADES. Journal of Universal Science Research, [S. l.], v. 4, n. Maxsus son-3, p. 327–333, 2026. DOI: 10.66301/xmxnr525. Disponível em: https://www.universalpublishings.com/index.php/jusr/article/view/19129. Acesso em: 13 nov. 2026.