Saganuwan Alhaji Saganuwan
E. Friederichs, W. Burow, W. Tillmann
Philippa Mason
Valerian J Derlega, Ralitsa S Maduro, Louis H Janda [...]
Marc Romana, Philippe Connes, Nigel S. Key
John Stuart
Sotubo Sotomiwa, Sourabh Sharma, Amisu Mumuni [...]
M. Boynard, M. Razavian, Y. Beuzardz
K Paradowski
A.S. Bowers, D.J. Pepple, H.L. Reid
, Amisu Mumuni 
