Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
Nnamdi Azikiwe University
Benjamin Nnamdi Ekwueme, Chinonso Anthony Ezema, Christian O. Asadu +4
Christian O. Asadu, Chika Oliver Ujah, Benjamin Nnamdi Ekwueme +6