Melchioril, Lígia Ebner, and Zélia Maria Mendes Biasoli Alves. “ The Behavior of Babies on the Routine of a Day Care Center: Separation and Meeting ”. Paidéia (Ribeirão Preto), vol. 10, no. 18, July 2000, pp. 51-59, https://doi.org/10.1590/S0103-863X2000000100005.