De Datta, S. K. <br/><br/>
A handbook on the methodology for an integrated experiment-survey on-rice yield constraints / 
S. K. De Datta, K. A. Gomez, R.W. Herdt & R. Barker 
 - Manila :  IRRI ,  1978 
 - 59p. :  ill. ;  28 cm.  
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rice<br/>Manuals<br/>Handbooks<br/>Research and development
<br/><br/><label>Dewey Class. No.: </label>R/633.18  / DAT