Search for 'au:Digumarti Bhaskara Rao and au:Editor'

Environmental education:problems and prospects

By Ghanta, Ramesh.. New Delhi : : Discovery Publishing , 1998 . xvi,69p. ; :

By Harshita, Digumarti. New Delhi: Discovery Publishing House, 2004 . ix, 369 p. ; 8171418088

By Digumarti Bhaskara Rao.,. New Delhi: Discovery Publishing House., 2003 . viii, 225p.

By Digumarti Bhaskara Rao,. New Delhi: Discovery Publishing House ., 2003 . viii, 225p.

By Digumarti Bhaskara Rao, ,. New Delhi: Discovery Publishing House, 2003 . xvi, 69p.

By Digumarti Bhaskara Rao, | Rao,Digumarti Bhaskara. New Delhi: 2011 . x, 211p.