Yossakit Lochaiwatana และ Suchit Poolthong. (2013) PHYSICAL PROPERTIES AND BIOLOGICAL RESPONSES OF A VARNISH CONTAINING POTASSIUM AND APATITE. Chulalongkorn University:ม.ป.ท.Yossakit Lochaiwatana และ Suchit Poolthong. 2013. PHYSICAL PROPERTIES AND BIOLOGICAL RESPONSES OF A VARNISH CONTAINING POTASSIUM AND APATITE. ม.ป.ท.:Chulalongkorn University;Yossakit Lochaiwatana และ Suchit Poolthong. PHYSICAL PROPERTIES AND BIOLOGICAL RESPONSES OF A VARNISH CONTAINING POTASSIUM AND APATITE. ม.ป.ท.:Chulalongkorn University, 2013. Print.