Safitri YE, Wardi J, Muthe RA. 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 [Internet]. 22 Desember 2024 [dikutip 5 Desember 2025];2(04):1335-4. Tersedia pada: https://ojs.smkmerahputih.com/index.php/jimu/article/view/623