00467nam a22001457a 4500008004100000020002200041050002400063100001900087245007100106260003400177300001600211521004100227650001900268700003400287190211b           ||||| |||| 00| 0 eng d  a978-1-133-95477-4  aH 30.4 .T76 b15271  aTrochim  M. W.  aResearch Methods: The Essentials  Knowledge  Base.cTrochim  M. W.  aUSAbCengage  Learning.c2016  axxii,422 p.  aIncludes Bibliographies and indexes.  aResearch book.  aDonnelly  P. J. and Arora  K.