A Riyanto, M L Nurfachsya, G Sianturi. Employee Productivity Model at Mineral, Coal and Geothermal Resources Center. ICOBEST [Internet]. 2023 Mar. 10 [cited 2025 Jun. 14];5:157-63. Available from: https://proceedings.unikom.ac.id/index.php/icobest/article/view/130