Keeves, J. P. (1990). Educational research methodology, and measurement: An international handbook. Pergamon Press.
Cita Chicago Style (17a ed.)Keeves, J. P. Educational Research Methodology, and Measurement: An International Handbook. New York, Estados Unidos: Pergamon Press, 1990.
Cita MLA (9a ed.)Keeves, J. P. Educational Research Methodology, and Measurement: An International Handbook. Pergamon Press, 1990.
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