LaTorre Donald R. Calculus Concepts: An Informal approach to the Mathematics change/ Latorre Donald R...(et...al): - 5th ed. - New York : Cengage Learning, 2012. - xxii, 620 p. : Includes index ISBN: 1133436927 Subjects--Topical Terms: Calculus LC Class. No.: QA 303.2 .C35 2012