World of shapes /

Eitemau Tebyg

• Experiments with shapes. 4v /
  gan: Barker, Eric J.
  Cyhoeddwyd: (1968)
• Experiments with shapes. 4v /
  gan: Barker, Eric J.
  Cyhoeddwyd: (1968)
• Experiments with shapes. 4v /
  gan: Barker, Eric J.
  Cyhoeddwyd: (1968)
• Experiments with shapes. 4v /
  gan: Barker, Eric J.
  Cyhoeddwyd: (1968)
• Changing shape of geometry: Celebrating a century of geometry and geometry teaching
  Cyhoeddwyd: (2003)