00615nam a2200205Ia 4500003000400000005001700004008004100021020001900062040000700081041000800088082001500096100002500111245004200136260003800178300000900216650002200225942001300247999001900260952013000279OSt20250902093523.0250729s2004    xx            000 0 und d  a978-8176485890  cAL  aeng  a372.8 KUMT  aKumar Arvind9222367  aA text book of enviournmental science  aNew DelhibA P H Publishingc2004  a376p  aEducation9222368  2ddccBED  c235429d235429  00104070aALbALd2025-07-29eSita Book Houseg165.00l0o372.8 KUMTpBED00748r2025-07-29 16:53:59v165.00w2025-07-29yBK