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.
Cita Chicago (17th ed.)International Association for the Evaluation of Educational Achievement, Malcolm J. Rosier, i 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.
Cita MLA (9th ed.)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.