00764cam a22002411 4500 sa 67000447 DLC 20260227112314.0 740624s1966 ii a b 000 0 eng sa 67000447 (OCoLC)928152 DLC OAU OCoLC DLC LB1028 .S9 1966 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. Education Research. Mehrotra, P. V., joint author. Mehrotra, R. N., joint author. 71992 71992