00315nam a2200121 a 450000500170000002000150001708200180003210000220005024500400007226000300011230000260014270000250016820251203110959.0  a0762312955  a371.9072bAPP  aScruggs, Thomas E  aApplication of research methodology  aAmsterdambElsevierc2006  aviii,339p.c22cm.bHB  aMastropieri, Margo A