Dòng Nội dung
1
Environment and tourism / Andrew Holden.
London ; Routledge , 2003.
xvii, 225 p. : ill. ; 24 cm.
2
Saving the planet with pesticides and plastic : the environmental triumph of high-yield farming / Dennis T. Avery.
Indianapolis, Ind. : Hudson Institute, 1995.
x, 432 p. : ill. ; 23 cm.
3
The true cost of conflict / edited by Michael Cranna ; project director, Paul Eavis ; authors, Nils Bhinda ... [et al.].
New York : New Press : 1994.
xx, 208 p. : ill. ; 24 cm.