B. Corpuz, N., N. D. Cruz, M. A. Baston, D. G. C. Del Socorro, and E. C. M. Hidalgo. “Early Childhood Education: A Curriculum Review and Critical Analysis”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 25, no. 2, Feb. 2016, pp. 337-53, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/5225.