Wahyono, P. ., & Azizah, S. N. . (2026). The effect of servant leadership and non-physical work environment on employee performance with motivation as mediation at the nusakambangan open correctional institution . Jurnal Mantik, 9(4), 1245-1253. Retrieved from https://iocscience.org/ejournal/index.php/mantik/article/view/6979