International Association for the Evaluation of Educational Achievement, Rosier, M. J., & Keeves, J. P. (1991). The IEA study of science I: Science education and curricula in twenty-three countries. Published for the International Association for the Evaluation of Educational Achievement by Pergamon Press.

International Association for the Evaluation of Educational Achievement, Malcolm J. Rosier, and John P. Keeves. The IEA Study of Science I: Science Education and Curricula in Twenty-three Countries. Oxford: Published for the International Association for the Evaluation of Educational Achievement by Pergamon Press, 1991.

International Association for the Evaluation of Educational Achievement, et al. The IEA Study of Science I: Science Education and Curricula in Twenty-three Countries. Published for the International Association for the Evaluation of Educational Achievement by Pergamon Press, 1991.