Vista normal
Vista MARC
ARITMETICA-GUIAS (Término Tópico)
Machine generated authority record.
Work cat.: (ENC)116076: Hartung, Maurice L. 148583, Teaching guide : seeing through aritmetic, 1961
Machine generated authority record.
Work cat.: (ENC)116076: Hartung, Maurice L. 148583, Teaching guide : seeing through aritmetic, 1961