Plant resources of South-East Asia no.18, plants producing exudates
E. Boer, editor
Backhuys Publishers, 2000
 Buku Teks
Plant resources of South-East Asia 19, essential-oil plant
edited by L.P.A. Oyen, Nguyen Xuan Dung
Prosea, 1999
 Buku Teks
Plant resources of South-East Asia no.15 (2), cryptoogams : ferns and fern allies
editor:, W.P. de Winter
Prosea Foundation, 2003
 Buku Teks
Plant resources of South-East Asia
Prosea, 1999
 Buku Teks SO
Plant Resources of South-East Asia 12: (1) Medicinal and poisonous plants 1
L.S. de Padua, N. Bunyapraphatsara, R.H.M.J. Lemmens
PROSEA, 1999
 Buku Teks SO