TY - BOOK AU - Yanful, Ernest K., ed. ED - International Conference on Environmental Research, Technology and Policy : TI - Appropriate technologies for environmental protection in the developing world: selected papers from ERTEP 2007, July 17-19 2007, Ghana, Africa SN - 9781402091384 U1 - 363.7 21st ed. PY - 2009/// CY - New York PB - Springer KW - Appropriate technology-Developing countries-Congresses KW - Environmental policy-Developing countries-Congresses KW - Environmental protection-Developing countries-Congresses N1 - Index: pp 357-59 ER -