Affiliation: | (1) Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ)/German Agency for Technical Co-operation, Eschborn, FRG;(2) University of Keele, UK;(3) University of Maryland, College Park, USA;(4) Universität Osaka, Japan;(5) Educational Services Division, Igbobi College, Lagos;(6) University of Canterbury, New Zealand;(7) University of Hamburg, Germany;(8) Ruhr-Universität, Bochum, FRG;(9) Centre for the study of Science and Mathematics Education, University of Leeds, UK;(10) University of Oslo, Norway;(11) Universidade Federal de Pernambuco, Recife, Brazil;(12) Sunderland Polytechnic, UK |