Dictionary of ecology and the environment/

Eitemau Tebyg

• Handbook on training for post-literacy and basic education
  gan: Abreude, et al.
• Dictionary of environment
  gan: Gurdeep Raj; Author
  Cyhoeddwyd: (1987)
• Dictionary of environment
  gan: Gurdeep Raj; Author
  Cyhoeddwyd: (1987)
• Concise oxford dictionary of ecology
  gan: Allaby,Michael
  Cyhoeddwyd: (1994)
• Encyclopaedic dictionary of environment
  gan: Chhatwal, G R; Ed, et al.
  Cyhoeddwyd: (1988)