Dumo, G. D. (2003). Scientific farming can be very profitable. Philippine Daily Inquirer.
Chicago-viite (17. p.)Dumo, Gia Damaso. "Scientific Farming Can Be Very Profitable." Philippine Daily Inquirer 2003.
MLA-viite (9. p.)Dumo, Gia Damaso. "Scientific Farming Can Be Very Profitable." Philippine Daily Inquirer, 2003.
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