Dwi Indra Lesmana, and Tan Evan Tandiyono. “The Effect Of Self-Efficacy, Employee Well-Being and JOB Enrichment On Employee Performance at PT Berkatama Mulia Saputra Sidoarjo”. Harmony Management: International Journal of Management Science and Business 2, no. 1 (February 4, 2025): 46–65. Accessed March 28, 2026. https://management.ifrel.org/index.php/HarmonyManagement/article/view/95.