Farrell, Margaret A. Secondary mathematics instruction : an integrated approach / Margaret A. Farrell and Walter A. Farmer. - Providence: Janson Publications, 1988. - xix, 360 p. : ill. ; 23 cm. Includes bibliographies and indexes. ISBN: 0939765268 Subjects--Topical Terms: Mathematics--Study and teaching (Secondary) Dewey Class. No.: 510.712