Helliker, Kirk (Rhodes University, South Africa),Matanzima, Joshua
(2)
Pauline Ada (North Carolina A & T State University Uwakweh USA.)
(2)
Simon David (St Andrews University Taylor USA)
(2)
Winnifred (University of Leeds Bedigen UK)
(2)
;Chiweshe, Manase Kudzai (University of Zimbabwe)
(1)
;Oloruntoba, Samuel Ojo,Nshimbi, Christopher Changwe,Tshimpaka, Leon Mwamba
(1)
Acheampong Yaw Amoateng,Elizabeth Biney
(1)
Akinlabi, Oluwagbenga Michael (University of New England, Australia)
(1)
Aniche, Ernest (Federal University Otuoke, Nigeria),Alumona, Ikenna Mike (Chukwuemeka Odumegwu Ojukwu University, Nigeria),Moyo, Inocent
(1)
Annika Bjoernsdotter Teppo
(1)
Benaiah (Kettering University Yongo-Bure USA)
(1)
Burger, Philippe (University of the Free State, South Africa),Marais, Lochner (University of the Free State, South Africa),van Rooyen, Deirdre
(1)