Goldin, G. A., & McClintock, C. E. (1979). Task variables in mathematical problem solving. ERIC Clearinghouse for Science, Mathematics and Environmental Education.
Citace podle Chicago (17th ed.)Goldin, Gerald A., a C Edwin McClintock. Task Variables in Mathematical Problem Solving. Columbus, OH: ERIC Clearinghouse for Science, Mathematics and Environmental Education, 1979.
Citace podle MLA (9th ed.)Goldin, Gerald A., a C Edwin McClintock. Task Variables in Mathematical Problem Solving. ERIC Clearinghouse for Science, Mathematics and Environmental Education, 1979.
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