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Oppen, M V and Subba Rao, K V (1987) Tank Irrigation in Semi-Arid Tropical India Economic Evaluation and Alternatives for Improvement. Technical Report. International Crops Research Institute for the Semi-Arid Tropics.
Pathak, P and Singh, S and Sudi, R (1987) Soil And Water Management Alternatives For Increased Productivity On SAT Alfisols. In: Proceedings IV International Conference On Soil Conservation, 3-9 Nov.1985, Maracay, Venezuela.