Artikel Jurnal
Manuhutu, Chassty T., author
Fakultas Teknik Universitas Indonesia, 2009
Artikel Jurnal
Manuhutu, Chassty T., author
2007
UI - Tesis (Membership)
Berger, Bill D.
PennWell Publishing, 1980
Buku Teks
Asean -Ec Energy Management Training and Research Centre , 1996
Buku Referensi