Gurmel , Singh .
Manual of soil and water conservation practices / Textual Documents Gurmel Singh. - 1 / . - New Delhi : Oxford & IBH Publishing company , 1991. - 379 ; .
81-204-0552-8 125.00
631.45 / GUR/MA
Manual of soil and water conservation practices / Textual Documents Gurmel Singh. - 1 / . - New Delhi : Oxford & IBH Publishing company , 1991. - 379 ; .
81-204-0552-8 125.00
631.45 / GUR/MA