Mannetje, L. `t
Plant resource of South-East Asia: forages
Prosea Foundation , 1992
 Buku Referensi
East Asian financial cooperation and Northeast Asia
 Artikel Jurnal
East Asia's financial system : evalution & crisis
edited by Seiichi Masuyama, Donna Vandenbrink and Chia Siow Yue
NRI Nomura Research Institute, 1999
 Buku Teks SO
Verheij, E.W.M.
Plant resource of South-East Asia: edible fruits and nuts
Prosea Foundation , 1992
 Buku Referensi
Plant resource of South-East Asia: dye and tannin-producing plants
edited by R.H.M.J. Lemmens, N. Wulijarni-Soetjipto
Prosea Foundation, 1992
 Buku Referensi