Frederick, H. H., Kuratko, D. F., & Hodgetts, R. M. (2006). Entrepreneurship: Theory, Process, Practice. Thomson.
Hendro, H., & Chandra, W. W. (2006). Be a Smart and Good Entrepreneur. Erlangga.
Setyowati, R. N., Kartikasari, M. M., & Habibah, S. M. (2020). Kewirausahaan. Unesa University Press.
Devi, R. L. . (2021). Peluang Usaha dan Pengembangan Ide. Universitas Sebelas Maret. https://spada.uns.ac.id/mod/resource/view.php?id=132505
Sulastri, L. (2016). Studi Kelayakan Bisnis Untuk Wirausaha. In LaGood's.
Suryana. (2003). Kewirausahaan (Edisi 1). Salemba Empat
Bennett, N., & Lemoine, G. J. (2014). What a difference a word makes: Understanding threats to performance in a VUCA world. Business Horizons, 57(3), 311--317. https://doi.org/10.1016/j.bushor.2014.01.001
Warwick-Ching, L. (2013). Currency Wars: Volatility Providers Profit Opportunity. The Financial Times. https://www.ft.com/content/e17e1ab0-8714-11e2-9dd7-00144feabdc0#axzz2r3QHfbxW
Grebe, M., & Danke, E. (2013). Simplify IT: Six Ways to Reduce Complexity. The Boston Consulting Group. https://www.bcg.com/publications/2013/transformation-tech-functions-
Hemingway, A., & Marquart, J. (2013). Uncertainty is Opportunity: Engage With Purpose. Edelman. https://www.edelman.com/post/uncertainty-is-opportunity-engage-with-purpose/
 Adam, H. (2013). Ambiguity Equals Opportunity: The Story of The New HBS Application. Amerasia Consulting Group. https://www.amerasiaconsulting.com/blog/2013/6/3/ambiguity-equals-opportunity-the-story-of-the-new-hbs-application