PRACTICAL APPLICATION OF THE 4C MODEL IN FORMING SPEECH CULTURE IN PRIMARY GRADES. Journal of Universal Science Research, [S. l.], v. 4, n. Maxsus son-3, p. 274–280, 2026. DOI: 10.66301/ymnfk096. Disponível em: https://universalpublishings.com/index.php/jusr/article/view/19120. Acesso em: 12 nov. 2026.