00423pam a2200145a 44500008004100000020002200041041001200063082001600075100002300091245007200114250000600186260004100192300001200233650003200245231027s2014    xxu||||| |||| 00| 0 eng d  a978-81-237-5257-0  aEnglish  a346.046 RAM  aRamakrishnan, P.S.  aEcology and Sustainable DevelopmentbWorking with Knowledge Systems  a2  aNew DelhibNational Book Trustc2014  a217bPB  aEnvironmental Law (344.046)