Steve Jobs : the genius who changed our world
e Home Entertainment, Inc, 2011
Buku Referensi
Our planet, our health : report of the WHO Commission on Health and Environment. / WHO Commission on Health and Environment.
World Health Organization, 1992
Buku Teks
L`Engle, Madeleine
A swiftly tilting planet
Dell Publishing, 1978
Buku Teks
A swiftly tilting planet
Buku Teks
Pless, Nicola M.
Responsible leadership
Springer-Science, 2011
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