Encyclopaedia of ecology and environment (Global environmental issues) Vol-2 /

Eitemau Tebyg

• Encyclopaedia of ecology and environment (Environmental education) vol.3 /
  gan: Priya Ranjan Trivedi
  Cyhoeddwyd: (2005)
• Encyclopaedia of ecology and environment (Introduction to ecology and environment) /
  gan: Priya Ranjan Trivedi
  Cyhoeddwyd: (2005)
• Encyclopaedia of ecology and environment (Environmental protection and law) vol. 6 /
  gan: Priya Ranjan Trivedi
  Cyhoeddwyd: (2005)
• Encyclopaedia of ecology and environment (Environmental impact assessment) vol. 7/
  gan: Priya Ranjan Trivedi
  Cyhoeddwyd: (2005)
• Encyclopaedia of ecology and environment (Population and community ecology) vol. 4/
  gan: Priya Ranjan Trivedi
  Cyhoeddwyd: (2005)