TY  - BOOK
ED  -  Elhuyar Kultur Elkartea.
TI  - Matematika : : BUP 2
PY  - 1983///?]
CY  - [Donostia] : 
PB  - [s.n.], 
KW  - Curriculumeko baliabideak
N1  - BBB, 2. maila
ER  -