Berkey, D. D. (1986). Calculus for management, social and life sciences. Saunders college.
Tohutoru Kātū Chicago (17th ed.)Berkey, Dennis D. Calculus for Management, Social and Life Sciences. Philadelphia: Saunders college, 1986.
Tohutoro MLA (9th ed.)Berkey, Dennis D. Calculus for Management, Social and Life Sciences. Saunders college, 1986.
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