C. Raz, K., & Ebio, F. M. (2015). Mechanisms Employed by Grade 1 Teachers in Handling Pupils with and without Pre-Elementary Education in Biliran Division. International Journal of Sciences: Basic and Applied Research (IJSBAR), 24(7), 117-133. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/4921