Safitri, Y.E. , Wardi, J. dan Muthe, R.A. 2024. The Effect of Training System Implementation and Skills Improvement on Human Resource Productivity Is Mediated by Product Innovation in Small and Medium Industries in Bengkalis Regency . JIMU:Jurnal Ilmiah Multidisipliner. 2, 04 (Des 2024), 1335–1345.