(1971). The Use of modules in college biology teaching. Edited by Joan G. Creager and Darrel L. Murray.
Chicago-viite (17. p.)The Use of Modules in College Biology Teaching. Edited by Joan G. Creager and Darrel L. Murray. 1971.
MLA-viite (9. p.)The Use of Modules in College Biology Teaching. Edited by Joan G. Creager and Darrel L. Murray. 1971.
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