Clark, John L. D. Foreign-language testing : theory and practice / by John L.D. Clark. - 1st ed. - Philadelphia : Center for Curriculum Development, 1972. - ix, 174 p. : ill. ; 23 cm. - Language and the teacher; v. 15 . Bibliography: p. 166-169. ISBN: 0838427995 Subjects--Topical Terms: Languages, Modern --Examinations.------ Dewey Class. No.: 372.65044