Rathnapala, Nandasena <br/><br/>
New horizon in research methodology 

 - Rathmalana  Sarvodhaya Research Institute  1986 
 - 164 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology<br/>Paradigms<br/>Research Methodology<br/>Obsevation
<br/><br/><label>Dewey Class. No.: </label>302.072  / RAT