Oyedokun, Godwin Emmanuel, and Mariam Abiola Garba. “Impacts of Firm Internationalization, Green Procurement and Organizational Performance of University College Hospital, Ibadan, Nigeria”. International Journal of Finance Research 3, no. 4 (December 1, 2022): 275 - 293. Accessed October 9, 2026. https://www.journal.jis-institute.org/index.php/ijfr/article/view/876.