003330000a22001090004500050000800000060000800008082001500016100001600031245011200047260005500159300000900214  a010  a100  a630 IYE/SC  aIyengar, PK  aScience and Technology for development: A compendium of essays on the seventh kerala science congress theme  aKerala, State committee on science and environment  aP296