Dayarathna, Dushar N.W.K.K. <br/><br/>
Research design for beginners 

 - 3rd ed. 
 -  S. Godage & Brothers (pvt) Ltd.  2016 
 - xii,120p. 
<br/><br/><label>ISBN: </label>9789553065759 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CASE STUDY METHODS<br/>QUESTIONNAIRE DESIGN<br/>RESEARCH DESIGN<br/>RESEARCH METHODS<br/>RESEARCH
<br/><br/><label>Dewey Class. No.: </label>001.42  / DAY B2277  / LDC