NATIONAL AND CONTINUOUS DIOXIN AIR MONITORING NETWORK IN TAIWAN (2006-2016): SPATIAL, TEMPORAL VARIATION AND EMISSION SOURCES APPORTIONMENT VIA POSITIVE MATRIX FACTORIZATION Publication Attachment: 9872.pdf Authors: Yang, YS, Yang, HY, Huang, WS, Hsu, YC, Tsai, HT, Chi, KH Year: 2017