Artikel Jurnal
Lind, Douglas A., author
McGraw-Hill-Irwin, 2010
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by Devon L. Yoho ... [and others]
BPI, 1988
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edited by Marion Jansen, Joost Pauwelyn and Theresa Carpenter
Cambridge University Press, 2017
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Obi Chidi, author
University of Port Harcourt, Physical Chemistry Unit, Department of Pure and Industrial Chemistry, Faculty of Science., 2016
Artikel Jurnal