RYAN, M. <br/><br/>
Animal draught: the economics of revival 

 - Colombo  Agrarian Research and Training Institute  1981 
 - 61 p.- 
 - Occasional publication; no.23 .
<br/><br/><label>ISBN: </label>100538 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development
<br/><br/><label>Dewey Class. No.: </label>338.1  / RYA