Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Oge: 1996: Honorary doctorate site na Royal Institute of Technology nke Sweden  Ajụjụ: Gịnị mere n'afọ 1996?
Honorary doctorate site na Royal Institute of Technology nke Sweden