Biblio

W. Chen, “International consultant report on health education”, vol. no. 02. UNDP-World Bank Water and Sanitation Program, World Bank China Country Office, Beijing, China, p. 22 p., 1992.

M. Svendsen and Changming, L., “Innovations in irrigation management and development in Hunan province : financial autonomy, water wholesaling, turnover to farmers, mass movement of labor”, Irrigation and drainage systems, pp. p. 195-214 : 1 map, 1 photogr., 7 tab., 1990.