Das Gupta, D. K. (1998). Technical paper on irrigation for the state of West Bengal. Agro-Climatic Regional Planning Unit, Planning Commission.
Παραπομπή σε μορφή Chicago (17η εκδ.)Das Gupta, Dilip Kumar. Technical Paper on Irrigation for the State of West Bengal. Ahmedabad: Agro-Climatic Regional Planning Unit, Planning Commission, 1998.
Παραπομπή σε μορφή MLA (8th εκδ.)Das Gupta, Dilip Kumar. Technical Paper on Irrigation for the State of West Bengal. Agro-Climatic Regional Planning Unit, Planning Commission, 1998.
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