Mbeki, who also paid tribute to former UNISA Principal and Vice-Chancellor Professor Mandla Makhanya, said strong leadership with integrity and high ethical morals were needed on the continent.
Mbeki, yo le ena a neng a tlotlomatsa Tlhogo le Letsogo la Mokhanselara wa pele wa UNISA Moporofesara Mandla Makhanya, o rile boetapele jo bo tiileng ka seriti le maitsholo a a siameng a tlhokega mo kontinenteng.