Evans, H. (1982). Concepts, methods and application. [United States]: United States Agency for International Development. Bureau for Science and Technology. Office of Multisectoral Development Regional and Rural Development Division.
Παραπομπή Chicago StyleEvans, Hugh. Concepts, Methods and Application. [United States]: United States Agency for International Development. Bureau for Science and Technology. Office of Multisectoral Development Regional and Rural Development Division, 1982.
Παραπομπή MLAEvans, Hugh. Concepts, Methods and Application. [United States]: United States Agency for International Development. Bureau for Science and Technology. Office of Multisectoral Development Regional and Rural Development Division, 1982.
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