Gurmel singh Joshi, B P Sastry, G Venkataraman, C
Manual of soil and water conservation practices - New Delhi, Oxford & IBH publishing co. pvt. ltd 1990 - 385
8120405528
Soil-conservation/ water- conservation
631.402 GUR
100
Manual of soil and water conservation practices - New Delhi, Oxford & IBH publishing co. pvt. ltd 1990 - 385
8120405528
Soil-conservation/ water- conservation
631.402 GUR
100