Sumarsono, Hadi, Khusnatul Zulfa Wafirotin, and Slamet Santoso. “SOCIAL NETWORK IN FAMILY BUSINESS: THE PHENOMENON OF PONOROGO CHINESE ETHNIC ENTREPRENEUR”. Indonesian Journal of Business and Entrepreneurship (IJBE) 7, no. 1 (January 28, 2021): 18. Accessed January 30, 2023. https://jurnal.ipb.ac.id/index.php/ijbe/article/view/32468.