Hills, P. J. (1990). Energy systems and the environment: Approaches to impact assessment in Asian developing countries. Asian and Pacific Development Centre.
Chicago-referens (17:e uppl.)Hills, Peter J. Energy Systems and the Environment: Approaches to Impact Assessment in Asian Developing Countries. Kuala Lumpur: Asian and Pacific Development Centre, 1990.
MLA-referens (9:e uppl.)Hills, Peter J. Energy Systems and the Environment: Approaches to Impact Assessment in Asian Developing Countries. Asian and Pacific Development Centre, 1990.
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