@inproceedings{sgem2022s04042,
  title = {IMPACT OF WATER RESOURCES PRODUCTIVITY ON GROSS VALUE ADDED IN BULGARIA},
  author = {Nevena Shuleva and Konstantin Kolev and Maya Tsoklinova},
  booktitle = {Proceedings of 9th SWS International Scientific Conference on Social Sciences - ISCSS 2022},
  year = {2022},
  pages = {351-358},
  publisher = {SGEM WORLD SCIENCE (SWS) Scholarly Society},
  doi = {10.35603/sws.iscss.2022/s04.042}
}