Scientific thought : 
some underlying concepts methods and procedures. 
 - Paris :  Unesco,  c 1972. 
 - 252 p. ;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/>326  326 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>510 / U3s