ISIANI, Nur; SUKRIN, Sukrin; FUADUDDIN, Fuaduddin. Optimizing Children’s Vocabulary Understanding Through Singing Activities in Early Childhood Education. Edu Happiness: Jurnal Ilmiah Perkembangan Anak Usia Dini, [S. l.], v. 5, n. 2, p. 249–265, 2026. DOI: 10.62515/eduhappiness.v5i2.1461. Disponível em: https://ejournal.alfarabi.ac.id/index.php/jos/article/view/1461. Acesso em: 10 nov. 2026.