Faculty of Engineering. Universitas Indonesia, 2010
Majalah, Jurnal, Buletin
Wire Journal, Inc.,
Majalah, Jurnal, Buletin
Iranian Society of Environmentalists (IRSEN) and Center for the Environment and Energy Research and Studies (CEERS), {s.a}
Majalah, Jurnal, Buletin
Routledge, 1994
Buku Referensi
IJENS Publisher ,
Majalah, Jurnal, Buletin