00492nam a22001697a 450000500170000001000150001702000260003203500130005803700130007108200110008410000150009524500590011026000440016927000360021330000230024950000500027220130619125034.0  aENG-107311  a9788183163453c900.00  aEN-90844  bDBAD/PUB  a530.07  aVanaja, M.  aTechniques of teaching physical science /cby M.Vanaja  aHyderabadbNeelkamal Publicationsc2012  aSultan BazarbHyderabade500095  axi,476p.c24cm(Hb)  aIncludes bibliographical references and index