Ducusin, G. B. (2015). When passion drives business: Healthy food for kids. Agriculture.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDucusin, Geraldine Bulaon. "When Passion Drives Business: Healthy Food for Kids." Agriculture 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDucusin, Geraldine Bulaon. "When Passion Drives Business: Healthy Food for Kids." Agriculture, 2015.
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