Armitagem, Peter H. Decision models for educational planning / [by] Peter Armitage, C yril Smith [and] Paul Alper. - London : Allen Lane, 1969. - ix, 124 p. : illus. ; 25 cm. - L.S.E. Studies on education. . Bibliography : p. 121-122. ISBN: 0713900962. Subjects--Topical Terms: Educational planning--Mathematical models.--Great Britain Dewey Class. No.: 370.1 ARM