Hepi, Ruth, Ester, and Yovie Ernanda. “The Effect of Motivation, Leadership and Productivity on Employee Performance at PT. Perimex Desa Sukaluwei”. Jurnal Mantik 5, no. 2 (June 1, 2021): 517-525. Accessed October 9, 2026. https://iocscience.org/ejournal/index.php/mantik/article/view/1358.