The quest for usable knowledge: the delicate balance between research, design and change. - Ilya Zitter; Sanne Akkerman; Elly De Bruijn (ICLS (3), 2008)

The role of professional objects in technology-enhanced learning environments in higher education. - Ilya Zitter; Elly De Bruijn; Robert-Jan Simons; Olle ten Cate (Interact. Learn. Environ., 2012)