Wittaya Ngeontae. (2017) Chemical sensors based on the optical properties of nanomaterials. Khon Kaen University:ม.ป.ท.Wittaya Ngeontae. 2017. Chemical sensors based on the optical properties of nanomaterials. ม.ป.ท.:Khon Kaen University;Wittaya Ngeontae. Chemical sensors based on the optical properties of nanomaterials. ม.ป.ท.:Khon Kaen University, 2017. Print.