000 003510000a22001570004500
060 _a100
082 _a300.72 KER
100 _aKerlinger, Fred N
245 _aFoundations of behavioral research
250 _a2
260 _aNew Delhi, Surject publications
260 _c1973
300 _a741
650 _aBehavioral research
942 _cBK
999 _c215686
_d215686