STAID, BBPT, 1993
Buku Referensi
J.P. singh, Madeline Carr, Renee Marlin-Bennett, editor
Routledge, 2019
Buku Teks
Jorg Mahlich, Werner Pascha, editors
[Springer-Verlag, ], 2012
eBooks
Iranian Society of Environmentalists (IRSEN) and Center for the Environment and Energy Research and Studies (CEERS), {s.a}
Majalah, Jurnal, Buletin
Thammasat University,
Majalah, Jurnal, Buletin