Ngamman, J. ., & Wirot, C. . (2024). The development of e-books for on morality and ethics Ethics and Teacher spirit for teaching professional students Muban Chom Bueng Rajabhat . Education journal Faculty of Education, Nakhon Sawan Rajabhat University, 7(3), 303–315. https://doi.org/10.2774.EDU2024.3.268213