B. Bannan-Ritland. Kelly, AE; Lesh, RA; Baek, JY Handbook of Design Research Methods in Education: Innovations in Science, Technology, Enginnering and Mathematics Learning and Teaching. New York: Routledge, (2008)
C. Cox, S. Harrison, и C. Hoadley. Educating learning technology designers: guiding and inspiring creators of innovative educational tools, Routledge, New York, NY, (2008)