UNEP
Buying for a better world : a guide on sustainable procurement for the UN System - Nairobi 2011 United Nations Environment Programme - 72 p.
UN SYSTEM
Sustainability
PURCHASING
ENVIRONMENTAL MANAGEMENT
Buying for a better world : a guide on sustainable procurement for the UN System - Nairobi 2011 United Nations Environment Programme - 72 p.
UN SYSTEM
Sustainability
PURCHASING
ENVIRONMENTAL MANAGEMENT