Dictionary of soil and water conversation /
Verma, Balvir
Dictionary of soil and water conversation / Balvir Verma - 1st ed. - New Delhi : Netaji Subhash Marg, 1984 - 118 p. : ill.
Soil conservation--Dictionaries
Water conservation--Dictionaries
Dictionary of soil and water conversation / Balvir Verma - 1st ed. - New Delhi : Netaji Subhash Marg, 1984 - 118 p. : ill.
Soil conservation--Dictionaries
Water conservation--Dictionaries