Astuti, Umi, Hartono Hartono, and Sunawan Sunawan. “The Influence of Parental Attachment Toward Early Childhood Children’s Separation Anxiety”. Journal of Primary Education 9, no. 5 (December 31, 2020): 501-510. Accessed May 1, 2024. http://journal.unnes.ac.id/sju/jpe/article/view/43210.