Anderson, T / 2001 / Assessing teaching presence in a computer conferencing context / Journal of Asynchronous Learning Networks 5 (2) : 1 ~ 17 Bailey, C / 2009 / Effective pedagogical practices for online teaching: Perception of experienced instructors / Internet and Higher Education 12 : 152 ~ 155 Baran, E / 2011 / Transforming online teaching practice: Critical analysis of the literature on the roles and competencies of online teachers / Distance Education 32 (3) : 4 Bawane, J / 2009 / Prioritization of online instructor roles: Implications for competencybased teacher education programs / Distance Education 30 (3) : 383 ~ 397 Bennet, S / 2004 / Becoming an online teacher : Adapting to a changed environment for teaching and learning in higher education / Educational media International 41 (3) : 23