Samonte, P. (2013). Sugarcane planter becomes top manufacturer of organic fertilizers. Agriculture.
Chicago-referens (17:e uppl.)Samonte, Pete. "Sugarcane Planter Becomes Top Manufacturer of Organic Fertilizers." Agriculture 2013.
MLA-referens (9:e uppl.)Samonte, Pete. "Sugarcane Planter Becomes Top Manufacturer of Organic Fertilizers." Agriculture, 2013.
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