GE, Yier. Research on the Countermeasures of Parental Participation in Improving Piano Education for Preschool Children. International Journal of Social Sciences and Public Administration, U.K., v. 4, n. 1, p. 75–81, 2024. DOI: 10.62051/ijsspa.v4n1.08. Disponível em: https://wepub.org/index.php/IJSSPA/article/view/3168. Acesso em: 8 may. 2026.