International Commission On Irrigation And Drainage <br/><br/>
Planning The Management Operation And Maintenance Of Irrigation And Drainage Systems A Guide For The Preparation Of Strategies And Manuals 

 -  Washington : The World Bank 1989. 
 - 149 
 - Biotechnology In Agriculture No. 2 .
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0821312136 (Pbk)