International encyclopedia of sustainable development /
Covington, Gareth
International encyclopedia of sustainable development / by Gareth Covington - Oakville : Apple academic press, 2010.
vol 1 :land mamagement
vol 2 : water management
vol 3 : sustainable living
vol 4 : sustainable industry
vol 5 : sustainable tourism
9781926692067
Sustainable development
338.927 / COV/I.1
International encyclopedia of sustainable development / by Gareth Covington - Oakville : Apple academic press, 2010.
vol 1 :land mamagement
vol 2 : water management
vol 3 : sustainable living
vol 4 : sustainable industry
vol 5 : sustainable tourism
9781926692067
Sustainable development
338.927 / COV/I.1