00391nam a22001337a 4500020001800000082002200018100001800040245008100058260004400139300001900183650001200202650001900214700002400233  a9788173915673  a338.4791  bAMI/E  aAmitava Mitra  aEnvironment and nature based tourism/cAmitava Mitra and Kunal Chattopadhyay  aNew Delhi:bKanishka Publishers,c2011.  a102p. ;b21cm.  aTourism  aSustainability  aKunal Chattopadhyay