@article{CSIS_2021_18_3_a19,
     author = {Linlan Liu and Wei Wang and Guirong Jiang and Jiang Zhang},
     title = {Identifying {Key} {Node} in {Multi-region} {Opportunistic} {Sensor} {Network} based on {Improved} {TOPSIS}},
     journal = {Computer Science and Information Systems},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {2021},
     url = {http://geodesic.mathdoc.fr/item/CSIS_2021_18_3_a19/}
}