Purnomo, D., and Siti Fatimah. 2021. “THE EFFECT OF WORK MOTIVATION AND THE WORK ENVIRONMENT ON WORK PRODUCTIVITY IN THE POLYTECHNIC OF LP3I JAKARTA KAMPUS KRAMAT RAYA”. Jurnal Inovasi Penelitian 1 (10), 2105-12. https://doi.org/10.47492/jip.v1i10.412.