D. Nguyen. Proceedings of the 2013 ACM Conference on Pervasive and Ubiquitous Computing Adjunct Publication, стр. 319--324. New York, NY, USA, ACM, (2013)
D. Nguyen, G. Zhou, X. Qi, G. Peng, J. Zhao, T. Nguyen, и D. Le. Proceedings of the 2013 ACM International Joint Conference on Pervasive and Ubiquitous Computing, стр. 677--686. New York, NY, USA, ACM, (2013)