Lawson, T. E. (1974). Formative instructional product evaluation: Instruments and strategies. Educational Technology Publications.
Citace podle Chicago (17th ed.)Lawson, Tom E. Formative Instructional Product Evaluation: Instruments and Strategies. Englewood Cliffs: Educational Technology Publications, 1974.
Citace podle MLA (9th ed.)Lawson, Tom E. Formative Instructional Product Evaluation: Instruments and Strategies. Educational Technology Publications, 1974.
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