TY  - BOOK
AU  - Martin, Allan
TI  - Teaching and learning with logo
SN  - 0709935722
U1  - 370.285404 
PY  - 1986///
CY  - London
PB  - Croom Helm
KW  - LOGO(Computer programming)
KW  - Education Data processing
N1  - Includes index
ER  -