Trochim,William M.K. <br/><br/>
Research methods knowledge base/ 
William m.k. Trochim and james p. dennelly 
 - 3rd ed. 
 - Australia:  Cengage learning;  2008. 
 - xv,361.17p.:  Table, Graph, chjart  28cm 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9781592602902 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--Methodology
<br/><br/><label>LC Class. No.: </label>Q180.55  / .T76 
<br/><br/><label>Dewey Class. No.: </label>001.4  / TRO-R 127D