Hsu, H.-C. ., H.-C. . Chen, L.-F. . Tsai, and S.-W. . Liu. “Equilibrium of E-Channel Relationship and Decisions”. International Journal of Management and Sustainability, vol. 3, no. 11, Mar. 2015, pp. 648-52, doi:10.18488/journal.11/2014.3.11/11.11.648.652.