RT null T1 Overview of Different Approaches to Measure SPP Impacts - Asia Pacific GPP Network Webinar Event: Measuring the Impact of GPP A2 Schaefer, Bettina K1 public procurement K1 government purchasing K1 green economy K1 project monitoring K1 programme evaluation PB United Nations Environment Programme YR 2022 FD 2022-06 LK https://wedocs.unep.org/handle/20.500.11822/40133 UL https://wedocs.unep.org/handle/20.500.11822/40133 DS UN Environment Document Repository RD Sep 17, 2026