Symposium on agroforestry systems and technologies, Bogor, Indonesia, 19-21 September, 1989 / 
editors : Junus Kartasubrata, Sitti Soetarmi Tjitrosomo, Ruben C. Umaly 
 - Bogor :  Seameo Biotrop,  1990 
 - 239 p. ;  24 cm.