000 00286nam a22001337a 4500
020 _a9788120335639
100 _aJohn W Best
245 _aResearch in Education
250 _a10th
260 _aDelhi
_bPHI Learning
_c2014
300 _axii+510
700 _aJames V Kahn
942 _cBK
999 _c58497
_d58497