Safari S, Suwitho S. THE EFFECT OF CONTROL SYSTEM AND THE COMPETENECE OF SUPERVISORS ON SALESPERSONS WORK MOTIVATION AND THEIR RELATIONSHIP TO SALESPERSONS PERFORMAANCE AT PT. AGUNG AUTOMALL PEKANBARU. ICOBUSS [Internet]. 2022Mar.23 [cited 2024May5];2(1):205-20. Available from: https://ojsicobuss.stiesia.ac.id/index.php/icobuss1st/article/view/171