RT null T1 Ongoing Regional POPs Monitoring Activities: African Region A1 Masaryk University, A1 Stockholm Convention Regional Centre in the Czech Republic, A2 Šebková, Kateřina K1 persistent organic pollutant K1 Africa YR 2018 FD 2018 LK https://wedocs.unep.org/handle/20.500.11822/26105 UL https://wedocs.unep.org/handle/20.500.11822/26105 DS UN Environment Document Repository RD Sep 16, 2026