Singh, R.R.
Land and biotic resources in agriculture / R.R.Singh - New Delhi Pearl books - 254 pages.
Includes bibliography and index.
9789381575581
Agriculture economic aspects-India
338.10954 / SIN
Land and biotic resources in agriculture / R.R.Singh - New Delhi Pearl books - 254 pages.
Includes bibliography and index.
9789381575581
Agriculture economic aspects-India
338.10954 / SIN