Richard,J. <br/><br/>
Introduction to Biostatistics and Research Methods 
by- J.Richard 
 - 5th ed. 
 - Delhi  PhiLearning Private Limited 
 - 268  18 cm. 
<br/><br/><label>ISBN: </label>9788120345201 
<br/><br/><label>Dewey Class. No.: </label>39773