1.
Arwin A, Hamzali S. Effect of Work Productivity on Employee Performance of Pdam Tirta Sejuk (Study In Customer Relationship). Eqien [Internet]. 2022 Sep. 30 [cited 2026 Sep. 22];11(02):557 – 559. Available from: https://stiemuttaqien.ac.id/ojs/index.php/OJS/article/view/981