@article{
  author = {Molla-Alizadeh-Zavardehi, Saber, Sanei, Masoud, Soltani, Reza, Mahmoodirad, Ali},
  title = {SOLVING A STEP FIXED CHARGE TRANSPORTATION PROBLEM BY A SPANNING TREE-BASED MEMETIC ALGORITHM},
  journal = {International Journal of Mathematical Modeling & Computations},
  year = {2014},
  volume = {4},
  issue = {2},
  pages = {177-187},
  doi = {},
  url = {https://sanad.iau.ir/fa/Article/1081514}
}