A Stucy of the Drainage Improvement by Mathematical Simulation Model 

 - 7th Afro-Asian Regional Conference  [date of publication not identified] 
 - p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>IRRIGATION.<br/>IRRIG.<br/>Simulation Model.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>JAPAN.