Fivi Rahmatus Sofiyah, Yeti Meliany Lubis, Ami Dilham. Locus of Control Strategy on Msme Performance in Increasing Distro Income in Several Psychologcal Aspects in Medan City. JRTDD [Internet]. 2023 Aug. 25 [cited 2024 Jul. 3];6(9s(2):492-8. Available from: https://jrtdd.com/index.php/journal/article/view/1273