1. Brusilovsky, P., Kouchnirenko, A., Miller, P., & Tomek, I. (1994). Teaching programming to novices: a review of approaches and tools. In Proceedings of ED-MEDIA 94-World Conference on Educational Multimedia and Hypermedia: Educational Multimedia and Hypermedia (Vancouver, British Columbia, Canada, 25–30 June). ERIC ED388228.
2. Teacher roles and technology integration;Carey;Computers in the Schools,1993
3. Computer programming;Casey;Computers in the Schools,1997
4. Computer literacy for the 1990s;Collis;Computers in the Schools,1994
5. Toward concrete representation in visual languages for robot control;Cox;Journal of Visual Languages and Computing,1998