Punthasueb, A. ., Intasingh, S. ., Nguenyuang, S. ., & Intanet, N. . (2022). Teacher Enhancement Activities in the 4.0 Era. Humanities and Social Sciences Journal of Pibulsongkram Rajabhat University, 16(1), 14–23. https://doi.org/10.14456/psruhss.2022.2