GIRIAPPA, S
WATER USE EFFICIENCY IN AGRICULTURE - NEW DELHI, OXFORD & IBH 1991 - pages 97
WATER ENVIRONMENT
WATER USE IN A COMMAND AREA
631.7 GIR/WA
WATER USE EFFICIENCY IN AGRICULTURE - NEW DELHI, OXFORD & IBH 1991 - pages 97
WATER ENVIRONMENT
WATER USE IN A COMMAND AREA
631.7 GIR/WA