Sari, Fransisca Desiana Pranata, and Sri Nathasya Br Sitepu. “Peran Faktor Internal Dan Faktor Eksternal Pada Keberlangsungan Start-Up Bisnis Kota Surabaya”. Jurnal Manajemen Teori dan Terapan| Journal of Theoretical and Applied Management 9, no. 1 (October 14, 2016). Accessed June 8, 2025. https://e-journal.unair.ac.id/JMTT/article/view/2783.