"UNESCO"@en . . . . . "University of Adelaide"@en . ""@en . . . ""@en . . "South Australian Department for Training and Employment"@en . . . . . . . . . . . . . "Kwame Nkrumah University of Science and Technology"@en . . "Peggy Oti-Boateng"@en . . . . "Kwame Nkrumah University of Science and Technology"@en . . . . "African Academy of Sciences"@en . . . . . "Peggy Oti-Boateng"@en . . "4114"^^ . . . . . ""@en . . . . . "1124999544"^^ . . "72251884"^^ . . . . . "Peggy Oti-Boateng"@en . . . . . .