Rapport semetriel [du] 
/ Projet cultures villageoises en haute altitude, assistance technique 5100.33.15.008 
. - Bujumbura  : SOMEBU/AGRER, 1984
. - 45 f.  ; 30 cm. 
<br/><br/><label>Source: </label> 631.92 
<br/><br/><label>Universal Decimal Class. No.: </label>631.92