Barnard,Christopher J. <br/><br/>
Asking questions in biology:   guide o hypothesis testing,experimental design and presentation in practical work and research projects/Christopher Barnard,Francis Gilbert and Peter McGregor. 

 - 4th ed. 
 - Harlow,England:   Pearson education,  2011 
 - x,248p.:   ill. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780273734680 
<br/><br/><label>Subjects--Topical Terms: </label><br/>science--Methodology<br/>Biology--Methodology
<br/><br/><label>LC Class. No.: </label>Q 175.218 BAR 2011