International Commission on Irrigation
Planning the management, operation and maintainance of irrigation and drainage systems: a guide for the preparation of strategy by International Commission on Irrigation and Drainage - Washington, D.C. IBRD 1989 - 150p. - WBDP 45 .
Salaries - Teachers - Africa
Y1182 In8p
Planning the management, operation and maintainance of irrigation and drainage systems: a guide for the preparation of strategy by International Commission on Irrigation and Drainage - Washington, D.C. IBRD 1989 - 150p. - WBDP 45 .
Salaries - Teachers - Africa
Y1182 In8p