(1992). Empirical Research in Chemistry and Physics Education. Proceedings of the International Seminar (Dortmund, Germany, June 10-12, 1992) Hans-Jurgen Schmidt, Ed. [microform].
Citace podle Chicago (17th ed.)Empirical Research in Chemistry and Physics Education. Proceedings of the International Seminar (Dortmund, Germany, June 10-12, 1992) Hans-Jurgen Schmidt, Ed. [microform]. 1992.
Citace podle MLA (9th ed.)Empirical Research in Chemistry and Physics Education. Proceedings of the International Seminar (Dortmund, Germany, June 10-12, 1992) Hans-Jurgen Schmidt, Ed. [microform]. 1992.
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