@inproceedings{sgem2017S05055,
  title = {GREEN AND HEALTHY CONSUMPTION IN POLAND: PROSUMPTION AND PURCHASE FROM A TRUSTED SOURCE AS AN ALTERNATIVE FOR CERTIFIED ORGANIC PRODUCTS},
  author = {L. Witek and K. Szalonka},
  booktitle = {4th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2017},
  year = {2017},
  pages = {443-450},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgemsocial2017/15/S05.055}
}