Sh’abani, H, Educational and Developmental skills: Methods and techniques of teaching, Tehran, Samt, (2012). [In Persian]
 Saif, A A, Modern educational psychology: psychology of learning and teaching, Tehran, Doran, (2013). [In Persian]
 Morrow, Revonda G. Interactivity in an online learning environment: A case study of participant experience in professional development, Unpublished Doctoral Dissertation, Griffith University, Brisbane (2007).
 Poorjamshidi, M, Determination of factors affecting interaction in Web-based instruction and presenting an appropriate model for improvement. Unpublished Doctoral Dissertation, Tehran, Allameh Tabatabaei University, (2014). [In Persian]
 Gharabaghi, H, "Investigation of effect interaction within student and teacher on academic achievement", Hamedan: Bu-Ali Sina University. (2006). [In Persian]
 Garrison, D.R. & Anderson, T, E-learning in the 21 century: A framework for research and practice, Taylor & Francis, (2011).
 Khan, Badrul Huda, ed, Managing e-learning: Design, delivery, implementation, and evaluation. IGI Global, (2005).
 Anderson, Terry. The theory and practice of online learning, Athabasca University Press, (2008).
 Petchtone, Puangtong, and Chaijaroen Sumalee, "The validation of web-based learning environment model to enhance cognitive skills and critical thinking for undergraduate students”, Procedia-Social and Behavioral Sciences, 116, 669-673, (2014).
 Kanjug, Issara, and Chaijaroen, Sumalee. "The design of web-based learning environments enhancing mental model construction", Procedia-Social and Behavioral Sciences 46, 3134-3140, (2012).
 Ham, V. & Davey R, "Our first time: two higher education tutors reflect on becoming a virtual teacher”. Innovations in Education and teaching International, Vol.42. No. 3. 257-62, (2005).
 Bodur, E., Özkan, F., Altun, E. & ùimúek, O, "The role of teacher in web enhanced learning activities in primary school information technologies lesson: a case study", Procedia Social and Behavioral Sciences, 1, ( 2009).
 Zarai, Z.E., Ghasemtabar, A, & Momenirad, Theoretical and practical basics of internet use in the teaching and learning process, Tehran, Avaye noor, (2015). [In Persian]
 Barak, M, “Closing the gap between attitudes and perceptions about ICT-enhanced learning among pre-service STEM teachers”, Journal of Science Education and Technology , 23 (1), 1-14,(2014).
 Van Merriënboer, J. J. G. & Kester, L, “The four-component instructional design model: Multimedia principles in environments for complex learning. In R. E. Mayer (Ed.)”, The Cambridge handbook of multimedia learning. New York: Cambridge University Press, pp. 71-93, (2005).
 Zimmerman, T.D, "Exploring Learner to Content Interaction as a Success Factor in Online Courses", the International Review of Research Open And Distance Learning. Vol 13, No 14, (2012).
 Gillingham, P, "Ghosts in the machine: Students participation and grade attainment in a Web-assisted social work course", Social Work Education, 28(4), 423-435, (2009).
 Palmer, S. Holt, D. & Bray, S, "Does the discussion help? The impact of a formally assessed online discussion on final student results", British Journal of Education Technology, 39(5), 847-858, (2008).
 Dennen, V.P, "From message posting to learning dialogues: Factors affecting learner participation in asynchronous discussion", Distance Education, 26-1, 127-148, ( 2005).
 Garrison, D. Randy, and Martha Cleveland-Innes. "Facilitating cognitive presence in online learning: Interaction is not enough", The American Journal of Distance Education, 19.3, 133-148 (2005).
 Howard, J. R, "Do College students participate more in discussion in traditional delivery courses or in interactive telecourses? A preliminary comparison", Journal of Higher Education, 73,6, 764-780, 2002.
 Jung, I. Choi, S. Lim, C. & Leem, J, "Effects of different types of interaction on learning achievement, satisfaction and participation in web-based instruction", Innovations in Education & Teaching International, 39,2, 153-162,(2002).
 McGorry, S.Y, Measuring quality in online programs, Internet and higher education, 6,2, 159-177,(2003).
 Song, H, Effects of Gender and Perceived Interaction on Learner Motivation, Sense of Community, Instructor Role, and Learner Role in Internet-based Distance Education. Doctoral Dissertation, Ohio University, (2006).
 Hannafin, J. M. & Kim, C.M, "Scaffolding problem solving in technology-enhanced learning environments (TELEs)", Bridging research and theory with practice”, Computers & Education, 56,2. (2011).
 Neo, Mai. "Web-enhanced learning: engaging students in constructivist learning", Campus-Wide Information Systems, 22, 4-14, (2005):.
 Levenberg, A. & Barak, M, "Flexible thinking in learning: An individual differences measure for learning in technology-enhanced environments", “Computers & Education”, 99, ( 2016).
 Petra, Siti Fatimah, et al. "Supporting students to become autonomous learners: the role of web-based learning", The International Journal of Information and Learning Technology, 33, 263-275, (2016).
 Wdowik, S, "Using a synchronous online learning environment to promote and enhance transactional engagement beyond the classroom", Campus-Wide Information Systems, 31.4, 264-275, (2014).
 Rubrico, J.G.U, "Computer-Aided Learning and Task-Based Learning: Engaging Learners in Contextualizing Grammar", Emerald Group Publishing Limited,(2012).