Economic and optimum utilisation of irrigation supplies
Mahida, U.N.
Economic and optimum utilisation of irrigation supplies - New Delhi 1961 - 40 p. - No. 71; India, Central Board o .
631.67(063)(54)
Economic and optimum utilisation of irrigation supplies - New Delhi 1961 - 40 p. - No. 71; India, Central Board o .
631.67(063)(54)