Enlace original:
https://wedocs.unep.org//handle/20.500.11822/20406
United Nations Environment Programme
,
Global Environment Facility
,
United for Efficiency (U4E)
,
[Accelerating the Global Adoption of Energy-efficient Lighting - U4E Policy Guide Series]
,
Accelerating the Global Adoption of Energy-efficient Lighting - U4E Policy Guide Series