Pember Don R.
Buku Teks
Pember, Don
SRA (science Research associafes), 1981
Buku Teks
Jones, Marsha, author
Palgrave, 1999
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Wilson, Stan Le Roy, author
McGraw-Hill, 1995
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Biagi, Shirley, author
Wadsworth and Cengage Learning, 2012
Buku Teks