Research manual on energy requirements in agricultural sector
Mittal, J.P.
Research manual on energy requirements in agricultural sector by J.P. Mittal and K.C. Dhawan - Ludhiana Punjab agricultural university 1988 - 149p.
631.371 / N881
Research manual on energy requirements in agricultural sector by J.P. Mittal and K.C. Dhawan - Ludhiana Punjab agricultural university 1988 - 149p.
631.371 / N881