00624nam a22001937a 450000500170000001000130001702000100003003500130004003700160005304000120006908200150008124501910009626000270028727000340031430000210034865000170036965000290038670000150041520170124110033.0  aB-228735  c00.00  aB-228735  bCen Lib/Ret  adplbEN  a574.5bECO  aEcology and environment :cedited by N.N.Ojhabfacilitating to spread the spirit of scientific interest and to reach a wider circle of aspirants of IAS,PCSs and other competitive exams /  bChronicle BooksaNoida  aA-26, Sector-2bUttar Pradesh  a225p. c20cm(Hb)  aEnvironment.  aCompetitve book-Ecology.  aOjha, N.N.