1. Biology : science for life with physiology / by Belk, Colleen. Publication: Upper Saddle river : Pearson , 2007 . xxxi, 625 p. Date:2007 Availability: Copies available: TTU Ngerenyi Centre Library (2), Actions: Add to cart
2. Biology : science for life / by Belk, Colleen. Publication: San Francisco : Pearson education , 2010 . xxxi, 419 p. Date:2010 Availability: Copies available: TTU Ngerenyi Centre Library (2), Actions: Add to cart

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