RAMDHANI, F. G.; DEA, L. F. Cognitive Development (Symbolic Thinking) of Early Childhood Through the Innovation of Bowling Media. Journal of Childhood Development, [S. l.], v. 1, n. 2, p. 102–115, 2021. DOI: 10.25217/jcd.v1i2.1837. Disponível em: https://journal.iaimnumetrolampung.ac.id/index.php/jcd/article/view/1837. Acesso em: 2 feb. 2023.