000 00397nam a2200145Ia 4500
008 211013s9999 xx 000 0 und d
082 _a001.42
_bCOO
100 _aBy Cooper, Harris
_91653
245 0 _aResearch synthesis and meta-analysis: a step-by-step approach
250 _a5th
260 _c2017
_bSage
_aNew Delhi
300 _axviii; 360p
650 _aResearch Methodology
_9586
942 _cBK
999 _c970
_d970