RT null T1 Africa Region Mid-term Workshop A1 United Nations Environment Programme, K1 persistent organic pollutant K1 Africa YR 2018 FD 2018 LK https://wedocs.unep.org/handle/20.500.11822/26122 UL https://wedocs.unep.org/handle/20.500.11822/26122 DS UN Environment Document Repository RD Sep 17, 2026