J.P. singh, Madeline Carr, Renee Marlin-Bennett, editor
Routledge, 2019
Buku Teks
Iranian Society of Environmentalists (IRSEN) and Center for the Environment and Energy Research and Studies (CEERS), {s.a}
Majalah, Jurnal, Buletin
Asian Committee on Science and Technology, 2000
Majalah, Jurnal, Buletin
Hurt, R. Douglas, author
Garland Publishing, 1994
Buku Referensi
Behrman, Jack N., author
Oelgeschlager, Gunn & Gunn & Hain , 1980
Buku Teks