Siagian, Priska J.R., and Togar M. Simatupang. “A Competence-Based Curriculum Design for Entrepreneurship Study Program”. International Research Journal of Business Studies 4, no. 2 (August 1, 2011): 137–155. Accessed December 4, 2025. https://irjbs.prasetiyamulya.ac.id/index.php/jurnalirjbs/article/view/809.