Horton, R. E. (1928). Measurable outcomes of individual laboratory work in high school chemistry. Teachers college, Columbia university.
Citace podle Chicago (17th ed.)Horton, Ralph Ellison. Measurable Outcomes of Individual Laboratory Work in High School Chemistry. New York city: Teachers college, Columbia university, 1928.
Citace podle MLA (8th ed.)Horton, Ralph Ellison. Measurable Outcomes of Individual Laboratory Work in High School Chemistry. Teachers college, Columbia university, 1928.
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