Som, Ranjan Kumar <br/><br/>
A manual of sampling techniques / 
Ranjan Kumar Som 
 - London :  Heinemann ,  1973 
 - xv, 384 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sampling
<br/><br/><label>Dewey Class. No.: </label>311.21  / SOM