Boonsong , V. ., Prempree, P., & Runglue , N. . (2024). Developing Academic Achievement on Factors causing Conflicts for 3rd Level of Secondary Education Students using Flipped Classroom Strategy. Education journal Faculty of Education, Nakhon Sawan Rajabhat University, 7(3), 1–13. https://doi.org/10.2774.EDU2024.3.267295