00327nam a2200121Ia 4500020001800000082001600018100001700034245003800051260003900089300000900128650003100137650003700168  a0-8039-3560-3  a300.1 KIR-;  aKirk, Jerome 0aReliability and validity research  aNew DelhibSage Publicationsc1986  a87p.  aSocial sciences - Research  aSocial sciences - Methodology -