00544ca0 a2200229ua 45000010006000000050017000060070003000230080041000260200007000670400009000740410014000830820013000971000029001102450047001392500013001862600053001993000018002523650007002705040009002775410019002866500009003051110320180503180546.0ta070731s1977           g     b000 u eng u  c18  aMAIN1 aenghNULL14a380bROY1 aRoy, Prodipto  .eAuthor10aManual For block Level Planning / cP Roy.  a1st /b.  aDelhi :bThe Macmillan Co Of India Ltd , c1977.  a124 ; cNULL.  a18  aNULL  eU6341     h18 0aComm