@article{article213,
  title = {Trip Optimization for Public Transportation Systems with Linear Goal Programming (LGP) Method},
  author = {TEKİN, S. and KÖFTECİ, S. and AYDIN, M.M. and YILDIRIM, M.S.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2018},
  volume = {36},
  pages = {921-933},
  doi = {}
}