Nessi Deva Fitriani, Sitompul M. CALCULATION OF HUMAN RESOURCES USING THE RESOURCE LEVELING FOR LABOR EFFICIENCY IN THE NEW MARKET DEVELOPMENT PROJECT OF MANDAILING NATAL REGENCY. jmtss [Internet]. 2021Oct.28 [cited 2026Oct.17];2(2):1-10. Available from: https://ejurnalunsam.id/index.php/jmtss/article/view/3994