National Academy Press , 1983
Buku Teks
STAID, BBPT, 1993
Buku Referensi
Iranian Society of Environmentalists (IRSEN) and Center for the Environment and Energy Research and Studies (CEERS), {s.a}
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Indonesian Institute of Sciences, [date of publication not identified]
Buku Teks
Simmers, Louise M., author
Delmar Cengage Learning, 2009
Buku Teks