Martorella, Peter H. Concept learning : designs for instruction / by Peter H. Martorella. With Rosalie S. Jensen, John M. Kean and Alan M. Voelker - Scranton : Intext Educational Pub., 1972 - ix, 286 p.; ill. ; 24 cm. Includes bibliographies. ISBN: 0700223894 LCCN: 70-188188 Subjects--Topical Terms: Concept learning