ET. AL., Ju Ern Tun,. Sex Differences in Screen Time and Playfulness among Chinese Preschool Children. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 10, p. 4293–4297, 2021. Disponível em: https://www.turcomat.org/index.php/turkbilmat/article/view/5156. Acesso em: 14 oct. 2025.