004100000a22001810004500 100 370.78 SUK Mehrotra, P V Mehrotra, R N Sukhia, S P Elements of educational research 2 Bombay, Allied Publishers (P) LTD 1966 253 Educational research/ BK 353912 353912 0 0 0 0 KAUCOAV KAUCOAV 2014-05-02 0 370.78 SUK KAU_COAV-6188 2014-05-02 00:00:00 2014-05-02 BK