@inproceedings{sgem2018S04071,
  title = {MINIMIZING THE TRANSPORTATION COSTS BY MEANS OF THREE DIMENSIONAL TRANSPORTATION PROBLEM},
  author = {Rosen Nikolaev and D. Zhelyazkova and T. Milkova},
  booktitle = {5th International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM 2018},
  year = {2018},
  pages = {549-556},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgemsocial2018/1.4/S04.071}
}