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<xml><bibliography><APA>Maneenat Kaewneam และ Yupaporn Kemprasit. (2010) Homomorphisms of some hyperrings. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Maneenat Kaewneam และ Yupaporn Kemprasit. 2010. Homomorphisms of some hyperrings. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Maneenat Kaewneam และ Yupaporn Kemprasit.  Homomorphisms of some hyperrings.  ม.ป.ท.:Chulalongkorn University, 2010. Print.</MLA></bibliography></xml>
