Abungu, George Okello (Director-General, National Museums of Kenya),Ndoro, Webber (University of Cape Town, South Africa)
(2)
Karam, Aly (Wits University, South Africa),Viruly, Francois (Wits University, South Africa),Kariuki, Catherine (University of Nairobi, Kenya),Akujuru, Victor (Rivers State University, Nigeria)
(2)