Maulana Syahri A, Aditi B, Ayu Setiamy A. THE EFFECT OF RISK TOLERANCE, ENTREPRENEURIAL MOTIVATION AND FAMILY ENVIRONMENT ON BUSINESS SKILLS OF UMKM IN MEDAN POLONIA DISTRICT. BJ [Internet]. 2024 Sep. 30 [cited 2025 Sep. 13];4(6):1309-24. Available from: https://ojs.berajah.com/index.php/go/article/view/405