1993 report  affiliated to UNESCO since 1988. 

 - Addis Ababa :  NAPRECA Publication,  1993 
 - 14 p. :  ill. ;  21 cm . 
 - NAPRECA monograph series ;  no. 6 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural products<br/>Raw  materials