GUNADI, Tri. Natural Environment Teaching for Functional Communication in Children with Speech Delay. Journal of Smart Pedagogy and Education, [S. l.], v. 1, n. 4, p. 22–37, 2026. DOI: 10.65101/spedu.v1i4.258. Disponível em: https://jurnal.smartpedia.co.id/index.php/spedu/article/view/258. Acesso em: 24 may. 2026.