@article{article738,
  title = {Analytic network process and TOPSIS methods with selection of optimal investment  strategy},
  author = {GÖRGÃœLÃœ, Ä. and KORKMAZ, M. and EREN, T.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2013},
  volume = {31},
  pages = {203-213},
  doi = {}
}