00336    a2200097   4500082001500000100002300015245009800038260004300136300003200179650002700211  a150.72 KER  aKerlinger, Fred N.  aFoundations of Behaviora; Research : educational and psychological inquirycFred N. Kerlinger  aIslamabad :bNational Book Foundation,  axix, 739p. :bill. ;c25 cm  aEducational Psychology