Samsul Hilal, author
Universitas Indonesia, 2013
UI - Tesis (Membership)
Aldi Suyana, author
Fakultas Teknik Universitas Indonesia, 2014
UI - Skripsi (Membership)
Asean -Ec Energy Management Training and Research Centre, 1993,
Buku Referensi
Endro Utomo Notodisuryo
Jakarta: Energy conservation workshop, 1996,
Buku Referensi
Pohan, Hazairin, author
Jurnal Kajian Wilayah Eropa, 2008
Artikel Jurnal