00357nam a2200157Ia 4500008004100000020000900041035001000050082001300060100002300073245003900096250000600135260003500141300000800176500000900184650000600193210723s9999||||xx |||||||||||||| ||und||  aNULL  a27706  a1.4BKER  aKerlinger, Fred N. 0aFoundations Of Behavioral Research  a-  aN. DelhibSurjeet Publications  a741  a3087  a-