Diyanti, E.W. and Swasti, I.K. 2023. The Effect of Technical Competence and Certification Training on Employee Performance at PT. Petrokopindo Cipta Selaras. Indonesian Journal of Business Analytics . 3, 5 (Oct. 2023), 1803–1814. DOI:https://doi.org/10.55927/ijba.v3i5.5603.