P-Č 2991
Arithmetic
Arithmetic teacher. -- Roč. 20, č. 1-8 (1973). -- Reston : National council of teachers of mathematics, 1954-1993. -- ISSN : 0004-136X.
In: Arithmetic teacher. -- ISSN 0004-136X. -- Reston : National council of teachers of mathematics, 1954-1993.
aritmetika. odborné časopisy
511.1. (051)-027.561. 371.3