Abello, M. M. (2009). High-yielding varieties seen to increase production of Porac cassava farmers. Agriculture.
Chicago-referens (17:e uppl.)Abello, Melpha M. "High-yielding Varieties Seen to Increase Production of Porac Cassava Farmers." Agriculture 2009.
MLA-referens (9:e uppl.)Abello, Melpha M. "High-yielding Varieties Seen to Increase Production of Porac Cassava Farmers." Agriculture, 2009.
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