National seminar on Drip irrigation
- New Delhi, Oxford & IBH publishing co. pvt. ltd 1992
- 98
- Indian petro chemical corporation ltd, Baroda
81-204-0711-3
drip irrigation / rural development / agriculture nation bank
631.7 NAT
100
81-204-0711-3
drip irrigation / rural development / agriculture nation bank
631.7 NAT
100