Zaenab, S., and S. Supriyono. “Management of the Early Childhood Education Development: An Action Research at Cakranegara Play Groups, Lombok, Indonesia”. Journal of Social Sciences (COES&Amp;RJ-JSS), vol. 5, no. 1, Jan. 2016, pp. 9-18, doi:10.25255/jss.2016.5.1.9.18.