Chang, Mark <br/><br/>
Principles of scientific methods 
Mark Chang 
 - Boca Raton,  CRC Press,  2015 
 - ix, 237p. 
<br/><br/><label>ISBN: </label>9781482238099 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RESEARCH METHODOLOGY<br/>SCIENTIIFIC METHODS
<br/><br/><label>Dewey Class. No.: </label>001.42 CHA/P