TY - BOOK ID - 134966007 TI - Status and trends in the voluntary market (2018 data) AU - Heeter, Jenny AU - National Renewable Energy Laboratory (U.S.) PY - 2019 PB - Golden, CO : National Renewable Energy Laboratory, DB - UniCat KW - Renewable energy sources KW - Green marketing KW - Electric utilities KW - Marketing. KW - Forecasting. UR - https://www.unicat.be/uniCat?func=search&query=sysid:134966007 AB - ER -