Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
2 ta ish
Kwame Nkrumah University of Science and Technology
Kwame Owusu Kwateng, Kenneth Afo Osei Atiemo, Charity Appiah
Hannah Vivian Osei, Kwame Owusu Kwateng, Kofi Boateng