000 00311nam a2200121Ia 4500
008 250114b |||||||| |||| 00| 0 eng d
020 _a978-81-203-3563-9
245 _aResearch in education
250 _aTenth edition
260 _a New Delhi
_bPHI Learning Pvt Ltd
_c2009
300 _axii,510
942 _cBK
999 _c425839
_d425839
041 _aeng