By laws. 

 - Karachi :  KCA ,  1960 
 - various pages :  ill. ;   26 cm.  
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Cotton<br/>Crops
<br/><br/><label>Dewey Class. No.: </label>633.51  / KCA