RT null T1 Validating the Economy-Wide Material Flow Accounts (EF-MFA), Namibia A2 Nambundunga, Vistorina M.M K1 material flow K1 environmental statistics YR 2023 FD 2023-03 LK https://wedocs.unep.org/handle/20.500.11822/42354 UL https://wedocs.unep.org/handle/20.500.11822/42354 NO Presentation on validating the economy-wide material flow accounts (EF-MFA), Namibia DS UN Environment Document Repository RD Sep 16, 2026