Student-centered Design of a Parser Visualization Tool - Almeida-Martinez, FJ; Urquiza-Fuentes, J; Rubio-Sanchez, M; Velazquez-Iturbide, JA (ITICSE 2010: PROCEEDINGS OF THE 2010 ACM SIGCSE ANNUAL CONFERENCE ON INNOVATION AND TECHNOLOGY IN COMPUTER SCIENCE EDUCATION, 2010)