Visual symbols survey : report on the recognition of drawings in Kenya.

Eitemau Tebyg

• Using visual aids : the effective use of type, color, and graphics /
  gan: Raines, Claire
  Cyhoeddwyd: (1995)
• A survey of audio visual facilities in universities in the U.S.A., Canada, United Kingdom, and Australia /
  gan: Edgar, Patricia, 1937-
  Cyhoeddwyd: (1970)
• Directory of audio-visual sources : history of science, medicine, and technology /
  gan: Eastwood, Bruce
  Cyhoeddwyd: (1979)
• Visual aids to relativistic kinematics /
  gan: Wick, G. C. (Gian Carlo)
  Cyhoeddwyd: (1973)
• Adult education groups and audio-visual techniques /
  Cyhoeddwyd: (1958)