Fikria, A., A. . Hilmi, and A. Prastiwi. “Factors Influencing Students’ Well-Being on Educational Outcomes in the Indonesian Railway Polytechnic”. IJET (Indonesian Journal of English Teaching), vol. 10, no. 2, Dec. 2021, pp. 136-47, doi:10.15642/ijet2.2021.10.2.136-147.