Trochim, William M.K. <br/><br/>
Research Methods Knowledge Base 

 - 03 rd 
 - USA,  Cengage Learning,  2008, 
 - 361p.  28cm 
<br/><br/>Foundations, Sampling, Observation and Measurement, Design and Structure, Analysis, Qualitative, Mixed methods 
<br/><br/><label>ISBN: </label>9781592602902 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methods<br/>Knowledge
<br/><br/><label>LC Class. No.: </label>001.891  / TRO