Gordon, Malcolm S.
Zoology
Macmillan, 1976
Buku Teks
Miller, Stephen A.
Zoology
McGraw-Hill, 2010
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Miller, Stephen A.
Zoology
McGraw-Hill, 2016
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Methodology of social science research / edited by Sugata Dasgupta
Impex India, 1967
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Development in design methodology / edited by Nigel Cross
John Wiley & Sons, 1984
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