P-Č 1781
Arithmetic
Arithmetic teacher. -- Roč. 17, č. 2-8 (1970). -- 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