KUMAR, P. (1977). Economics of water management: A study of field channels. Heritage.
Tohutoru Kātū Chicago (17th ed.)KUMAR, P. Economics of Water Management: A Study of Field Channels. New Delhi: Heritage, 1977.
Tohutoro MLA (9th ed.)KUMAR, P. Economics of Water Management: A Study of Field Channels. Heritage, 1977.
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