“A, shenawy The Economic Roles of Startups in the 21st Century:  Sustainable Development and the Digital Economy” (2025) Journal Of Development Studies & Entrepreneurship, 3(1), pp. 31–43. Available at: https://review.univ-oeb.dz/ojs.jdse/index.php/jdse/article/view/27 (Accessed: 5 December 2025).