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Soil erosion in India
Inājat-Aḥmad, (1973)
Salinization and waterlogging in the Upper Indus Plain (Punjab) during the early colonial period, 1850-1900 A. D. : a problem of the past neglects
Siddiqi, Akhtar Husain, (1981)
Combating desertification in drylands : a planned approach
Singh, R. P., (1980)