Crescimbeni, Joseph, Teaching the new mathematics. - West Nyack, N.Y. Parker Pub. Co. [1966] - xvii, 205 p. illus. 24 cm. Bibliography: p. 195-197. LCCN: 66010938 Subjects--Topical Terms: Arithmetic--Study and teaching (Elementary) LC Class. No.: QA135.5 / .C7 Dewey Class. No.: 372.72