Iranian Society of Environmentalists (IRSEN) and Center for the Environment and Energy Research and Studies (CEERS), {s.a}
Majalah, Jurnal, Buletin
Verawati Puspitaningtyas
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Tesis Membership
Djoko Sumitro
Gadjah Mada University Press, 1990
Buku Teks
Speser, Phyllis L.
John Wiley & Sons, 2006
Buku Teks
editor, in.chief, R.P. Jain; editors, V.K. Gendhi, Artul Amand, Anuj Kohli, Anil Sharga
Crest Publishing House, 1998,
Buku Referensi