Postman, Neil, editor
The disappearance of childhood : how TV is changing children's lives / Neil Postman
A Comet Book, 1985
Buku Teks SO
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
Potter, Simeon
Our language
Penguin Books, 1979
Buku Teks
Southwick, Charles H.
Ecology and the quality of our environment
D. Van Nostrand, 1976
Buku Teks
Southwick, Charles H.
Ecology and the quality of our environment
D. Van Nostrand, 1972
Buku Teks