Vien, Nguyen Khac., ed. <br/><br/>
Agricultural problems (3): some techniclal aspects 

 - [S.l]  [s.n]  1971 
 - 286 p.- 
 - Vietnamese studies; no. 27 .
<br/><br/><label>ISBN: </label>247115 
<br/><br/><label>Subjects--Topical Terms: </label><br/>History-Vietname
<br/><br/><label>Dewey Class. No.: </label>959.7  / AGI