TY  - BOOK
ED  - SIGSE Technical Symposium on Computer Science Education
TI  - The papers of the Twenty-First SIGSE Technical Symposium on Computer Science Education: SIGSE bulletin, volume 22, number 1, february 1990 
SN  - 0-89791-346-9
PY  - 1990///
CY  - [New York]
PB  - [The Association for Computing Machinery]
KW  - Informática
KW  - Estudio y enseñanza
KW  - Congresos
ER  -