RT null T1 Microplastic Research in the Republic of Korea A2 Hong, Sang Hee A2 Shim, Won Joon K1 marine pollution K1 marine scientific research K1 Republic of Korea YR 2017 FD 2017-09 LK https://wedocs.unep.org/handle/20.500.11822/26522 UL https://wedocs.unep.org/handle/20.500.11822/26522 DS UN Environment Document Repository RD Sep 24, 2026