Muhammad, SH (Author) (Other); Adelani, DI (Author) (Other); Ruder, S (Author) (Other); Ahmad, IS (Author) (Other); Abdulmumin, I (Author) (Other); Bello, BS (Author) (Other); Choudhury, M (Author) (Other); Emezue, CC (Author) (Other); Abdullahi, SS (Author) (Other); Aremu, A (Author) (Other); Jorge, AM (Author) (FCUP); Pavel Brazdil (Author) (FEP)
Muhammad, SH (Author) (Other); Abdulmumin, I (Author) (Other); Ayele, AA (Author) (Other); Ousidhoum, N (Author) (Other); Adelani, DI (Author) (Other); Yimam, SM (Author) (Other); Ahmad, IS (Author) (Other); Beloucif, M (Author) (Other); Mohammad, SM (Author) (Other); Ruder, S (Author) (Other); Hourrane, O (Author) (Other); Jorge, AM (Author) (FCUP); Pavel Brazdil (Author) (FEP); António Ali, FDM (Author) (Other); David, D (Author) (Other); Osei, S (Author) (Other); Bello, BS (Author) (Other); Lawan, FI (Author) (Other); Gwadabe, T (Author) (Other); Rutunda, S (Author) (Other)...(mais 7 authors)