[1]
J. L. Xu, X. J. Liu, H. X. Wang, J. Q. Zhang, Y. Y. Liu, and T. Zhang, “The Practice and the Reflection of Network-Assistance Teaching based on the Platform of Blackboard”, Int. J. Emerg. Technol. Learn., vol. 9, no. 8, pp. pp. 42–44, May 2014.