Sudjiman, Lorina Siregar, and Paul Eduard Sudjiman. “The Significance of Entrepreneurship: Problems, Motivations and Success Factors (Social Science)”. Journal of International Scholars Conference - BUSINESS & GOVERNANCE 1, no. 3 (October 15, 2020). Accessed December 6, 2021. https://jurnal.unai.edu/index.php/jiscbg/article/view/409.