Nema, N.p. <br/><br/>
Principles of seed certification and testing. 

 - Ahmedabad :  Allied Publishers,  1986194. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Seeds -- Testing.--Seeds -- Testing.<br/>Seed -- Certification.--Seed -- Certification.