Tobin, Allan J.
Asking about life, vol.3
Harcourt College Publishing, 2001
 Buku Teks
LIfe: the science of biology
by William K. Purves ... [et al.]
Salt lake City Sinauer Associates , 1998
 Buku Teks
Starr, Cecie
Biology : the unity and diversity of life
Wadsworth, 1998
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Belk, Collen
Biology science for life
Pearson - Benjamin Cummings, 2008
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Presson, Joelle
Biology: dimensions of life
McGraw-Hill, 2008
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