Warrell, J. G., and M. Jacobsen. “Internet Research Ethics and the Policy Gap for Ethical Practice in Online Research Settings”. Canadian Journal of Higher Education, vol. 44, no. 1, Apr. 2014, pp. 22-37, https://www.cjhe.test.sfulib7.publicknowledgeproject.org/index.php/cjhe/article/view/2594.