00281nam a2200097Ia 4500008004000000082001600040100003100056245003500087260004900122300001200171210210b1969   xxu||||| |||| 00| 0 eng d  a300.72 TRIA  aTRIPODI (Tony) and others.  aAssessment of social research.  aItasca.bF E Peacock Publishers, Inc.,c1969  axiv,297