Effectiveness of nutrition education using posters and songs on lnowledge and attitudes: A pre–post study in primary school students. Journal of Halal Food Nutrition, [S. l.], v. 1, n. 1, p. 19–24, 2026. Disponível em: https://propanoramic.com/index.php/jhfn/article/view/690. Acesso em: 24 aug. 2026.