Continuing arithmetic skills /

Míreanna comhchosúla

• Directing arithmetic skills /
  de réir: 428458 Hunter, William F., et al.
  Foilsithe / Cruthaithe: (1976)
• Acquiring arithmetic skills /
  de réir: 428458 Hunter, William F., et al.
  Foilsithe / Cruthaithe: (1976)
• Building arithmetic skills /
  de réir: 428458 Hunter, William F., et al.
  Foilsithe / Cruthaithe: (1969)
• Arithmetic : developing concepts and skills /
  de réir: Beck, J. William
  Foilsithe / Cruthaithe: (1976)
• Arithmetic concepts, skills /
  de réir: 415306 Gechtman, Murray, et al.
  Foilsithe / Cruthaithe: (1968)