Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
3 ta ish
Quanzhou Normal University
Mavis Adjei, Huaming Song, Xiang Cai +3
Emmanuel Nketiah, Huaming Song, Mavis Adjei +2
John Wiredu, Emmanuel Nketiah, Simplice Asongu +2