Zainuddin, S. S., N. M. Surianti, and Alfiasari. “The Competencies of Daycare Caregivers in Building Interaction and Attachment With Children to Optimize Their Cognitive Development”. Journal of Family Sciences, Vol. 6, no. 1, July 2021, pp. 67-79, doi:10.29244/jfs.v6i1.33341.