00426nam a22001577a 450000500170000001000150001702000260003203500130005803700130007108200100008410000240009424500450011826000390016327000450020230000210024720160711152316.0  aENG-115395  a9789331320841c695.00  aEN-98927  bDBAD/PUB  a483.1  aKrishna Kumar Singh  aBetter english /cby Krishna Kumar Singh  aNew DelhibA.P.H. Publishingc2015  a4435-36/7,Ansari RoadbNew Delhie110002  ax,244pc22cm(Hb)