Wahyu, E. E., Senja Oktora, Y. and Ery Octalina, L. (2025) “Certification and Lecturers’ Performance in State Polytechnic: a Mediating Role of Psychological Empowerment”, Jurnal Bisnis dan Manajemen, 11(2), pp. 214–225. doi: 10.26905/jbm.v11i2.13946.