RT null T1 The Barriers in Realising “Blue Economy” at National and Regional Levels A1 United Nations Environment Programme, YR 2015 FD 2015-01 LK https://wedocs.unep.org/handle/20.500.11822/21090 UL https://wedocs.unep.org/handle/20.500.11822/21090 DS UN Environment Document Repository RD Sep 23, 2026