00425nam a2200169Ia 4500003000400000005001700004008004100021020001900062040000700081041000800088082001500096100002000111245004900131260005200180300000900232650001400241OSt20250808145846.0250729s2005    xx            000 0 und d  a978-8184110357  cAL  aeng  a371.2 MACS  aSwami Kavi Rama  aTechniues of teaching enviournmental science  aNew DelhibOrbis Books Sonali Publicationc2005  a292p  aEducation