Paryavaran pradushan aur ikkeesvim sadi

Míreanna Comhchosúla

• Paryavaran-pradushan
  le: Gopinath Sreevasthava
  Foilsithe: (2001)
• Paryavaran, pradushan aur plastic/
  le: Nishanth Singh
  Foilsithe: (2002)
• Paryavaran Pradushan/
  le: Gopinath Srivasthava
  Foilsithe: (2015)
• Paryavaran pradushan (पर्यावरण प्रदुषण)/
  le: Gopinath Srivastava (गोपीनाथ श्रीवास्तव)
  Foilsithe: (2015)
• Paryavaran sankat awom pradushan ka kahar/
  le: Sujata Bisht
  Foilsithe: (2005)