Valentine, C. W. 1879-1964.
The reliability of examinations / C.W. Valentine. - London : University of London Press, 1932. - 196 p. : 23 cm.
371.27 / VAR
The reliability of examinations / C.W. Valentine. - London : University of London Press, 1932. - 196 p. : 23 cm.
371.27 / VAR