Todd, D. K. (1980). Groundwater Hydrology (2nd ed.). Wiley India.
Tohutoru Kātū Chicago (17th ed.)Todd, David Keith. Groundwater Hydrology. 2nd ed. New Delhi: Wiley India, 1980.
Tohutoro MLA (9th ed.)Todd, David Keith. Groundwater Hydrology. 2nd ed. Wiley India, 1980.
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