Fundamentals of educational research 
Crowl, Thomas K. 
 - 2nd ed. 
 -  Brown & Benchmark,  1996 
 - xviii, 443 p. 
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<br/><br/><label>ISBN: </label>0-697-24133-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education -- Research.
<br/><br/><label>Dewey Class. No.: </label>GS 370.78 C88f 1996