Johnson David T. (1982). The business of farming: Guide to farm business management in the tropics. Macmillan.
Chicago Stili AlıntıJohnson David T. The Business of Farming: Guide to Farm Business Management in the Tropics. London: Macmillan, 1982.
MLA AlıntıJohnson David T. The Business of Farming: Guide to Farm Business Management in the Tropics. Macmillan, 1982.
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