Robinson, Rhonda; Molenda, Michael; Rezabek, Landra. "Facilitating Learning"(PDF). Association for Educational Communications and Technology. Archived(PDF) from the original on 22 September 2015. Retrieved 18 March 2016.
Robinson, Rhonda; Molenda, Michael; Rezabek, Landra. "Facilitating Learning"(PDF). Association for Educational Communications and Technology. Archived(PDF) from the original on 22 September 2015. Retrieved 18 March 2016.