Weisbruch, F. T., & Chewning, W. J. (1963). Teacher's guide and answer book for Chemistry: A laboratory science by the Semimicro method (Teacher's ed.). D.C. Heath.
Cita Chicago Style (17a ed.)Weisbruch, Fred T., y William J. Chewning. Teacher's Guide and Answer Book for Chemistry: A Laboratory Science by the Semimicro Method. Teacher's ed. Boston: D.C. Heath, 1963.
Cita MLA (9a ed.)Weisbruch, Fred T., y William J. Chewning. Teacher's Guide and Answer Book for Chemistry: A Laboratory Science by the Semimicro Method. Teacher's ed. D.C. Heath, 1963.
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