Elements of educational research Ed 2 - S.P. Svkhia; P. V. Mehrptra R. N. Mehrotra (Bombay Allied Publishers Pvt Limited, 1963)
S.P. Svkhia; P. V. Mehrptra & R. N. Mehrotra: Elements of educational research Ed 2. (2nd Edition) Bombay. Allied Publishers Pvt Limited, 1963.--(370.78SVK)
ENGLISH