T. P. Murphrey, T. A. Rutherford, D. L. Doerfert, L. D. Edgar, and D. W. Edgar, “Technology Acceptance Related to Second Life™, Social Networking, Twitter™, and Content Management Systems: Are Agricultural Students Ready, Willing, and Able?”, JAE, vol. 53, no. 3, pp. 56–70, Sep. 2012.