Indian Journal of Soil Conservation. v11, 1983
Gupta, R.K., ed.
Indian Journal of Soil Conservation. v11, 1983 edited by R.K.Gupta - Dehradun Indian Association of Soil &Water Conservationists 1983 - v.11, varies p.; 24cm.
09703349
Indian Journal of Soil Conservation. v11, 1983 edited by R.K.Gupta - Dehradun Indian Association of Soil &Water Conservationists 1983 - v.11, varies p.; 24cm.
09703349