Wangke, L., G. Joey, N. Masloman, and H. Lestari. “Factors Related to School Readiness in Children: A Cross-Sectional Analytic Study of Elementary School Children in Manado”. Open Access Macedonian Journal of Medical Sciences, vol. 9, no. B, Oct. 2021, pp. 1387-93, doi:10.3889/oamjms.2021.7294.