1. Department of Civil Engineering, Afe Babalola University, Ado-Ekiti, Nigeria
2. Department of Civil Engineering, Cross River University of Technology, Calabar, Nigeria
3. Department of Civil Engineering, Peoples Friendship University of Russia (RUDN University), 6 Miklukho- Maklaya Street, Russian Federation
4. Estate & Civil Engineering Department, Gambia Port Authority, 34 Liberation Avenue, Banjul, Gambia