00507nam a2200169 a 450000500170000002000180001708200160003510000160005124500400006726000410010730000240014869000350017296400160020799700130022399900190023695200820025520251203111013.0  a9788126909230  a370.72bPAT  aPathak, R.P  aMethodology of educational research  aNew DelhibAtlantic Publishersc2008  avi,187p.c22cm.cHB  aEducation-Research methodology  bcdefg_  a133440 C  c110406d110406  00104070aPUbPUd2008-12-19g360.00l0o370.72 PATp133440q2014-12-26yBK