Singh, Ajay K. “Relative Performance of Entrepreneurship Ecosystem for Selected Countries Using a Composite Z-Score Technique of Index Estimation”. Eurasian Journal of Management & Social Sciences - Open Access 4, no. 2 (December 1, 2023): 1–32. Accessed April 27, 2026. https://ejmss.tiu.edu.iq/index.php/ejmss/article/view/1.