Sincero, Arcadio P.
Environmental engineering : a design approach
Prentice-Hall, 1996
Buku Teks
Attitude of distance learners towards multimedia approach to instruction
Artikel Jurnal
Sustainable urban design : an environmental approach
Adam Ritcjie, Randall Thomas, editor
Taylor & Francis Group, 2009
Buku Teks
Kahn, James R.
The economic approach to environmental and natural resources
Thomson, 2005
Buku Teks
Kemp, David D.
Global environmental issues: a climatological approach
Routledge , 1994
Buku Teks