00470nam a2200157Ia 4500003000600000005001700006008004100023020001800064040002500082082002300107100002200130245002500152260005700177300002600234500005200260NORSU20240419033502.0240215s9999    xx            000 0 und d  a0-07-059817-7  aNORSU-DumcNORSU-Dum  aGR/370.72/So9/2001  aSowell, Evelyn J. 0aEducational Research  bMcGraw-Hill Companies, Inc.c2001aBoston Burr Ridge  axiv, 369 pages; 23cm.  aIncludes Appendix References Glossary and Index