Pidgeon, Douglas A. An introduction to educational measurement / by Douglas Pidgeon and Alfred Yates. - London : New York, Routledge & K. Paul; Humanities P., 1968 [i.e. 1969] - viii, 117 p. : illus. ; 20 cm. - The Students library of education . Bibliography: p. 115-[117] ISBN: 0710062478 LCCN: 72374986 Nat. Bib. No.: B69-02460 Subjects--Topical Terms: Educational tests and measurements. LC Class. No.: LB3051 / .P57 Dewey Class. No.: 371.26