Manual of soil and water conservation practices /
Singh, Gurmel
Manual of soil and water conservation practices / By Gurmel Singh.(Etall) - New Delhi : Oxford & IBH Pub. Co. ; 1990. - viii ; 385 p., 25 cm.
8120405528
631 / SIN
Manual of soil and water conservation practices / By Gurmel Singh.(Etall) - New Delhi : Oxford & IBH Pub. Co. ; 1990. - viii ; 385 p., 25 cm.
8120405528
631 / SIN