KUMAR, P. '. P. K. (2020). Irrigation practices and sustainable agriculture. Discovery Publishers.
Chicago-referens (17:e uppl.)KUMAR, Prasnn 'Bharti' Pawan Kumar. Irrigation Practices and Sustainable Agriculture. Discovery Publishers, 2020.
MLA-referens (9:e uppl.)KUMAR, Prasnn 'Bharti' Pawan Kumar. Irrigation Practices and Sustainable Agriculture. Discovery Publishers, 2020.
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