00431nam a2200145Ia 4500020001800000082001700018100002200035245005400057260003400111300001400145504001900159650003100178650003400209650004200243  a0-8016-1464-3  a300.72 DRE-;  aDrew, Clifford J. 0aIntroduction to designing research and evaluation  aSiant LouisbC.V. Mosbyc1976  aix, 223p.  aIncludes index  aSocial sciences - Research  aSocial sciences - Methodology  aSocial sciences - Statistical methods