000 00302nam a2200109 4500
020 _a00301333319
082 _a150.72 KER/BEH
100 _aKerlinger, F N
245 _aBehavioral research: A conceptual approach
_cby Fred N Kerlinger
260 _aNew York
_bHolt. Rineman & Wivslon
_c1979
942 _cBK
999 _c379732
_d379732