00673nam a2200205Ia 450000500170000000800410001702000150005804000180007304100080009108200220009910000140012124500840013525000120021926000660023130000270029765000440032465000430036865000330041170000230044420241113095140.0210716s1998    xx            000 0 und d  a0074518658  cAIMIT LIBRARY  aeng  a005.135 21bROYM  aRoy, M K.  aCobol programming: bproblems and solutions /cBy M K Roy and D Ghosh Dastidar.  a1st ed.  aNew Delhi :bTata McGraw Hill Publishing Company Ltd ;c1998.  avi,309p. ;bPBc22 cm.  aIdentification and environment division  aConditional and sequence control verbs  aSorting and merging of files  aDastidar, D Ghosh.