Than, Sina <br/><br/>
A comparative assessment of three irrigation systems in Northeast Thailand  implications for a framework to guide the development of a differential curriculum for training water management extensionists /  [microform] : 
Sina Than 
 - Ann Arbor, Mich. :  University Microfilms International,  1991 
 - 3 microfiches ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.)-Cornell University, 1991 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Irrigation--Economic aspects--Thailand<br/>Irrigation--Thailand