FUDAOWANG: A Web-Based Intelligent Tutoring System Implementing Advanced Education Concepts. - Wei Xu; Ke Zhao; Yatao Li; Zhenzhen Yi (Int. J. Distance Educ. Technol., 2012)

An improved discrete particle swarm optimization algorithm for the capacitated p-median problem. - Zhurong Wang; Zhenzhen Yi; Xinhong Hei 001; Zhanmin Wang (ICNC-FSKD, 2017)