Purnomo D, Fatimah S. THE EFFECT OF WORK MOTIVATION AND THE WORK ENVIRONMENT ON WORK PRODUCTIVITY IN THE POLYTECHNIC OF LP3I JAKARTA KAMPUS KRAMAT RAYA. JIP [Internet]. 24Feb.2021 [cited 19May2024];1(10):2105-12. Available from: https://stp-mataram.e-journal.id/JIP/article/view/412