Vân, N. T. T., P. M. Dương, P. Đình Tuân, and T. Q. Vinh. “Development of a Fuzzy-Based Patrol Robot Using in Building Automation System”. Journal of Computer Science and Cybernetics, vol. 27, no. 1, May 2012, pp. 83-92, doi:10.15625/1813-9663/27/1/456.