Yael Febrian Purba, and Yose Andre Sinuhaji. “THE EFFECT OF REWARDS AND PUNISHMENT ON WORK MOTIVATION OF PERMANENT EMPLOYEES IN A PALM OIL MILL”. Multidiciplinary Output Research For Actual and International Issue (MORFAI), vol. 6, no. 4, June 2026, pp. 6114-23, https://radjapublika.com/index.php/MORFAI/article/view/5860.