000 | 00422nam a2200157Ia 4500 | ||
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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 |