Indonesia. Biro Pusat Statistik
BPS , 1997
Buku Referensi
Buku Referensi
Japan Society for the Promotion of Science, 1882
Buku Referensi
McSean, Tony, author
Library Association Publishing, 1992
Buku Referensi
Asosiasi Panel Kayu Indonesia
Manggala Wanabhakti, 1986
Buku Referensi