ebrary, Inc, & Levinson, R. (1994). Teaching science. Routledge in association with the Open University.
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Chicago-čujuhus (17. p.)
ebrary, Inc, juo Ralph Levinson. Teaching Science. London ; New York: Routledge in association with the Open University, 1994.
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MLA-čujuhus (9. p.)
ebrary, Inc, juo Ralph Levinson. Teaching Science. Routledge in association with the Open University, 1994.
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