TY  - GEN
AU  - United Nations Environment Programme
A4  - Hansen, Carsten
A4  - Yaker, Farid
A4  - Von Schuckmann, Lukas
A4  - Li, Qi
PY  - 2021
UR  - https://wedocs.unep.org/handle/20.500.11822/37039
LA  - English
KW  - public procurement
KW  - environmental friendly procurement
TI  - A Sustainability-Weighted Procurement Portfolio Management (PPM) Approach: Mapping of Sustainability Risk in Procurement Portfolios and Strategies for Market Engagement – Working Paper
M3  - Communication or other resource
ER  -