Dhruva Narayana, V. V. (1980). Reclaiming alkali soils: Engineering aspects. Central Soil Salinity Research Institute (B.K.A.P.).
Dyfyniad Arddull ChicagoDhruva Narayana, V. V. Reclaiming Alkali Soils: Engineering Aspects. Karnal: Central Soil Salinity Research Institute (B.K.A.P.), 1980.
Dyfyniad MLADhruva Narayana, V. V. Reclaiming Alkali Soils: Engineering Aspects. Central Soil Salinity Research Institute (B.K.A.P.), 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.