Ryan, M. <br/><br/>
Animal draught :  the economics of revival /  eng 
M. Ryan, F. Abeyratne, J. Farrington. 
 - Colombo, Sri Lanka :  Agrarian Research and Training Institute,  1981. 
 - v, 62 p. ;  30 cm. 
 - Occasional publication / Agrarian Research and Training Institute ;  no. 23 .
 - Occasional publication (Agrarian Research and Training Institute) ;  no. 23. .
<br/><br/> "Joint ARTI/Reading University Farm Power Study Team." 
<br/><br/>Bibliography: p. 61-63. 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water buffalo--Sri Lanka.<br/>Water buffalo--Economic aspects--Sri Lanka.<br/>Animal traction--Economic aspects--Sri Lanka.<br/>Farm tractors--Economic aspects--Sri Lanka.<br/>Rice--Sri Lanka.
<br/><br/><label>Dewey Class. No.: </label>X 636.293  / AGR