International encyclopaedia of ecology and environment /

समान संसाधन

• Encyclopaedia of ecology and environment /
  द्वारा: Trivedi, Priya Rajan
• Encyclopaedia of ecology and environment (Introduction to ecology and environment) /
  द्वारा: Priya Ranjan Trivedi
  प्रकाशित: (2005)
• Ecology and environment
  द्वारा: Trivedi, P. R
  प्रकाशित: (2004)
• Ecology and Environment /
  द्वारा: P.R.Trivedi
  प्रकाशित: (2004)
• Encyclopaedia of ecology and environment /
  द्वारा: Aaradhana Salpekar
  प्रकाशित: (2006)