00599nam a22001937a 450000500170000001000140001702000250003102000220005603500130007803700130009108200080010410000150011224500990012726000490022627000470027530000210032250000500034365000120039320100806154834.0  aENG-98695  a9788190791335c75.00  a8190791338c75.00  aEN-82227  bDBAD/PUB  a570  aChellam.C.  aBiology textbook analysis of Kerala and Tamil Nadu at higher secondary school /cby Chellam.C.  aChinnalapattibMohana Balan Publishersc2009  a18.10-1, North St.,bChinnalapattie624301  a68p.c20cm (pbk)  aIncludes bibliographical references and index  aBiology