Manual of teaching techniques for field extension workers

Eitemau Tebyg

• Manual of teaching techniques for field extension workers
  gan: Abdul Rahman Kunju,O
  Cyhoeddwyd: (1985)
• Demonstration techniques/2e
  gan: Allgood, M.B
  Cyhoeddwyd: (1965)
• Agriculture demonstruction and extension communication
  gan: Ram, Krishnan
• Planning for rural development : issues and case studies
  gan: Dholakia, Ravindra H
  Cyhoeddwyd: (1988)
• Demonstration techniques
  gan: Allgood, Mary Brown
  Cyhoeddwyd: (1965)