00578nam a2200193 i 4500001001100000003000500011005001700016008004100033020001500074040002500089082001400114245006300128264004600191300002400237336002100261337002500282338002300307650005400330C2-0247660PPAK20180727212210.0030329s2003    ii  |||| |||||  |   eng d  a8126113871  aPPAKbengcPPAKerda04a363.722300aEncyclopedia of teaching of enviromental sciences bvol. 2 1aNew Delhi : bAnmol Publications , c2003  a528 pages ; c25 cm  2rdacontentatext  2rdamediaaunmediated  2rdacarrieravolume10aEnvironmental protection ; Environment indicators