T1 [MedWaves No. 20] The Quality Assurance Programme
T2 MedOndes No. 20 : Le programme d’assurance qualité
A1 United Nations Environment Programme/Mediterranean Action Plan, 
PB UNEP/MAP
SN 1105-4034
YR 1990
FD 1990
LK https://wedocs.unep.org/handle/20.500.11822/664
UL https://wedocs.unep.org/handle/20.500.11822/664
DS UN Environment Document Repository
RD Sep 22, 2026