003060000a22001330004500050000800000060000800008082001700016100001600033100001400049245005100063260004100114260000900155300000800164  a010  a100  a635.9823 DAV  aDevamani, V  aDhivya, M  aTechnologies for sustainable green environment  ageneral, New India publishing agency  c2012  a202