@unpublished{SisLab826,
       booktitle = {ISADS -AHSP2013 Workshops},
           month = {March},
           title = {Performance Study of Chanel Allocation Schemes for beyond 4G Cognitive Femtocell-cellular Mobile Networks},
          author = {Duc Kien Nguyen and Nam Hoang Nguyen and Hiroaki Morino},
            year = {2013},
             url = {https://eprints.uet.vnu.edu.vn/eprints/id/eprint/826/}
}