Policies on Energy Efficient and Environmentally Sound Technologies
© 2001 Department of Science and Technology and Alan S. Cajes All rights reserved. Published 2011. Printed in the Philippines Printing or copying information exclusively for personal and non-commercial use with proper acknowledgment of the author is allowed. Users are restricted from reselling, redistributing, or creating derivative works for commercial purposes without the express, written consent of the author. Alan S. Cajes
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