000 00422nam a2200157Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e18947
_aMAIN
041 _aEnglish
082 _a150.72 S55P
100 _aSommer, Robert
245 0 _aPractical guide to behavioral research: tool and techniques
250 _a2nd ed.
260 _aNew York
_bOxford University Press
_c1986
300 _aviii,297 p.
942 _cBK
999 _c56785
_d56785