00442nam a22001337a 4500008004100000020001500041050001900056100002900075245009400104260003600198300002800234650002100262700002500283170130b        xxu||||| |||| 00| 0 eng d  a1592601634  aH 61 .D66 2005  aDonnelly, James P.d2005  aResearch Methods:bThe Concise Knowledge Base /cJames P. Donnelly, William M. K. Trochim  aCincinnati:bAtomic Dog,c2005.  ax,179 p.:bill.;c28cm.  2Research Methods  aWilliam M.K. Trochim