Sukhia, S. P. Elements of educational research [by] S. P. Sukhia, P. V. Mehrotra [and] R. N. Mehrotra. - 2d [rev.] ed. - Bombay, New York, Allied Publishers [1966] - xv, 361 p. illus. 23 cm. Includes bibliographical references. LCCN: sa 67000447 Subjects--Topical Terms: Education--Research. LC Class. No.: LB1028 / .S9 1966