Browsing by Author Umar, Garba
Showing results 1 to 2 of 2
| Issue Date | Title | Author(s) |
| 2013-07 | Regeneration of used engine oil | Isah, Abubakar; Abdulkadir, Mukhtar; Onifade, Kolawole; Musa, Umar; Umar, Garba; Bawa, Aisha; Sani, Yahaya |
| 2022-05 | Utilization of Safety Facilities in Building Construction Sites in Federal Capital Territory Abuja and Niger State, Nigeria | Umar, Garba; Ibrahim, D.; Karem, W.B |
