References:
Johns, H. U. P. (2015). Teaching online : A guide to theory, research, and practice. ProQuest Ebook Central https://ebookcentral-proquest-com.ezproxy.library.uvic.ca
Son, L. K., & Simon, D. A. (2012). Distributed learning: Data, metacognition, and educational implications. Educational Psychology Review, 24(3), 379-399.