Ibecheozor, Ejike, Udoka Oparaku, and Joel Augustine-Daddie. “Environmental Problems of Entrepreneurship and Business Sustainability in South East Nigeria”. European Journal of Science, Innovation and Technology 3, no. 5 (December 12, 2023): 336-344. Accessed May 1, 2025. https://www.ejsit-journal.com/index.php/ejsit/article/view/308.