Wahyu, E.E. et al. 2025. Certification and Lecturers’ Performance in State Polytechnic: a Mediating Role of Psychological Empowerment. Jurnal Bisnis dan Manajemen. 11, 2 (Jan. 2025), 214–225. DOI:https://doi.org/10.26905/jbm.v11i2.13946.