Surya, Tarida Marlin, Rahayu Tri Utami, and Edy Sambodja. “Employee Hapiness Dan Produktivitas: Kunci Keberhasilan Manajemen Modern”. Oikonomia : Journal of Management Economics and Accounting 3, no. 1 (December 22, 2025): 20–28. Accessed July 23, 2026. https://jurnalhafasy.com/index.php/oikonomia/article/view/495.