Wilson, Bright E.  <br/><br/>
An introduction to scientific research 

 - New York :   McGraw-Hill,   1952. 
 - 373 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIA<br/>METODOS ESPECIALES DE CALCULO
<br/><br/><label>Universal Decimal Class. No.: </label>001:518