Supree Pinitsoontorn. (2016) Room temperature ferromagnetism observation in metal-free polymers. Khon Kaen University:ม.ป.ท.Supree Pinitsoontorn. 2016. Room temperature ferromagnetism observation in metal-free polymers. ม.ป.ท.:Khon Kaen University;Supree Pinitsoontorn. Room temperature ferromagnetism observation in metal-free polymers. ม.ป.ท.:Khon Kaen University, 2016. Print.