Planning and Organizaton of Projects for the improvement of hand and animal operated implements   

 - Rome :   FAO,   n.d. 
 - 8 p. :    ill. ;    29 cm. 
 - Informal Working Bulletin ;   no.12 .
<br/><br/>  Agricultural engineering. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural implements.--------