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  1. Experimental and quasi-experimental designs for research.Donald Thomas Campbell - 1966 - Chicago,: R. McNally. Edited by Julian C. Stanley & N. L. Gage.
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  • Assessing teaching/learning successes in multiple domains of science and science education.Robert E. Yager & Alan J. McCormack - 1989 - Science Education 73 (1):45-58.
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  • State of the World.Robin Bell, Edward C. Wolf & Lester R. Brown - 1986 - Bulletin of Science, Technology and Society 6 (4):373-374.
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