NAIN, S. S. M. V. (2017). Introduction to agricultural economics. CBS Publishers.
Lua i Stíl Chicago (17ú heag.)NAIN, Satbir Singh Mehala Vinay. Introduction to Agricultural Economics. CBS Publishers, 2017.
Lua MLA (9ú heag.)NAIN, Satbir Singh Mehala Vinay. Introduction to Agricultural Economics. CBS Publishers, 2017.
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