Kurniawan AK, Bagana BD. The Effect of Employee Costs on Company Performance with Employee Productivity as an Intervening Variable At PT PLN (Persero) Unit Induk Pembangkitan Tanjung Jati B. GRAR [Internet]. 2025 Sep. 13 [cited 2026 May 9];6(1):251-67. Available from: https://www.goldenratio.id/index.php/grar/article/view/1577