Worrall John <br/><br/>
Methodology of scientific research programmes: Philosophical papers 

 - Cambridge   Cambridge University Press  1978 
 - viii,250p. 
 -  Vol: 1 .
<br/><br/><label>Source: </label>Books to be hide in OPAC 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methods