@inproceedings{sgem2022s2731,
  title = {GREEN ROOFS AND GREEN WALLS - AWARENESS AND WILLINGNESS TO PAY IN SOFIA, BULGARIA},
  author = {Mariam Bozhilova and Miglena Zhiyanski},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022},
  year = {2022},
  pages = {241-248},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2022/6.1/s27.31}
}