WAHYUNI EKA LESTARI, NOVI. “PENINGKATAN EMPLOYEE TRAINING, DAN SELF-EFFICACY TERHADAP EMPLOYEE PERFORMANCE PT CIPTA NIRMALA GRESIK”. Jurnal Ilmu Manajemen (JIM), vol. 7, no. 3, June 2019, https://ejournal.unesa.ac.id/index.php/jim/article/view/28356.