;Chari, Tendai (Venda University, South Africa),Akpojivi, Ufuoma
(2)
;Grubb, Jonathan A. (Professor at Georgis Souther University, USA.),Steinmetz, Kevin F. (Kansas State University, Manhattan, USA)
(2)
;Mudavanhu, Selina Linda,Mpofu, Shepherd,Batisai, Kezia
(2)
Benjamin Fleming (EDT)/ Richard Mann (EDT)
(2)
C. Richard King/ David J. Leonard
(2)
Chunmeizi Su (University of Sydney)
(2)
Debbie Rodan/ Jane Mummery
(2)
Jane Campbell (EDT)/ Theresa Carilli (EDT)/ Jane Campbell (CON)/ Theresa Carilli (CON)/ Simone Cavalcante Da Silva (CON)
(2)
Jessica Urwin (University of Leicester)
(2)