Pekka Leviäkangas
Eco-pricing of mobility
Faculty of Engineering, Universitas Indonesia, 2011
 Artikel Jurnal
Haward, Ambrosius S.
Ekologi integral: Alternatif dalam krisis lingkungan hidup
Department of Philosophy, 2021
 Artikel Jurnal
Analysis of conflict in a fishing village (case study in banyuwangi, situbodo, jember and pasuruan)
 Artikel Jurnal
Mostafavi, Mohsen
Ecological urbanism
Lars Muller Publishers, 2010/2011
 Buku Teks SO
Korean fishermen: ecological adaptation in three communities
edited by Sang-bok Han
Seoul University Press, 1977
 Buku Teks SO