00590nam a2200193Ia 450000500170000000800410001702000130005804000180007104100080008908200210009710000140011824500580013225000120019026000660020230000290026865000430029765000330034070000230037320241113145814.0210716s1987    xx            000 0 und d  a74518666  cAIMIT LIBRARY  aeng  a005.13521bROYM  aRoy, M K.  aCobol programming /cBy M K Roy and D Ghosh Dastidar.  a1st ed.  aNew Delhi :bTata McGraw Hill Publishing Company Ltd ;c1987.  axvii,421p. ;bPBc23 cm.  aConditional and sequence control verbs  aSorting and merging of files  aDastidar, D Ghosh.