TY  - BOOK
AU  - PONTE,JOAO PEDRO (ED)
TI  - MATHEMATICAL PROBLEM SOLVING AND NEW INFORMATION TECHNOLOGIES: RESEARCH IN CONTEXTS OF PRACTICE
SN  - NCST
U1  - 1020 
PY  - 1992///
CY  - BERLIN
PB  - SV
N1  - BR-171
ER  -