Sandefur, James T. Elementary mathematical modeling a dynamic approach / [Book] : James Sandefur. - Pacific Grove, CA : Thomson/Brooks/Cole, c2003. - x, 414 p. : col. ill. ; 24 cm. Includes index. All. ISBN: 053437803X (pbk.) Subjects--Topical Terms: Mathematical models. Dewey Class. No.: 511.8