Umeokafor, Nnedinma ORCID: https://orcid.org/0000-0002-4010-5806, Daniel, Emmanuel and Yousef, Ahmed Mohamed Fahmy (2025) Engineering across borders: barriers to transnational teaching and research collaboration. In: The 15th International Conference on Construction in the 21st Century (CITC-15). Department of Construction Management at East Carolina University, Greenville, North Carolina, USA, pp. 181-189. ISSN 2640-1177 (Online) (In Press)