KUMAR, P. '. P. K. (2020). Irrigation practices and sustainable agriculture. Discovery Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKUMAR, Prasnn 'Bharti' Pawan Kumar. Irrigation Practices and Sustainable Agriculture. Discovery Publishers, 2020.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKUMAR, Prasnn 'Bharti' Pawan Kumar. Irrigation Practices and Sustainable Agriculture. Discovery Publishers, 2020.
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