สถิรพันธุ์ วัลภา, and ลออปักษา พัชรัตน์. 2019. “The Application of Flipped Classroom Learning for Developing Teaching Readiness of Early Childhood Student Teachers”. Journal of Education Studies 47 (3). Bangkok, Thailand:404-21. https://so02.tci-thaijo.org/index.php/EDUCU/article/view/218895.