@base . a ; "1026-6054" ; . a ; ; "20040609181900.0"^^ ; ; . a ; . a , ; "Portfolio of black business in Southern Africa" . a , , ; , , ; "Portfolio of black business in Southern Africa." ; ; ; "1026-6054" ; ; "1026-6054" ; ; "1026-6054" ; "Portfolio of black business in Southern Africa" , "Portfolio of black business in Southern Africa." ; . . "South Africa" . a . a ; "1026-6054" ; .