Giriappa, S. (1986). Energy environment in agriculture: A study of developed and developing systems. Ashish Publishing.
Chicago-stil citatGiriappa, S. Energy Environment in Agriculture: A Study of Developed and Developing Systems. New Delhi: Ashish Publishing, 1986.
MLA-referensGiriappa, S. Energy Environment in Agriculture: A Study of Developed and Developing Systems. Ashish Publishing, 1986.
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