Gutierrez, H. M. (2009). Fruit characteristics and ripening indicators of Kara Mandarin (Citrus reticulata) in Kabacan, Cotabato, Philippines. USM R & D Journal.
Chicago-viite (17. p.)Gutierrez, Herminigildo M. "Fruit Characteristics and Ripening Indicators of Kara Mandarin (Citrus Reticulata) in Kabacan, Cotabato, Philippines." USM R & D Journal 2009.
MLA-viite (9. p.)Gutierrez, Herminigildo M. "Fruit Characteristics and Ripening Indicators of Kara Mandarin (Citrus Reticulata) in Kabacan, Cotabato, Philippines." USM R & D Journal, 2009.
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