00331nam a2200121 a 450000500170000002000150001708200190003210000170005124500440006826000310011230000250014363000410016820251202164128.0  a0852268173  a005.133CObKAN  aKant, Sharad  aPractical approach to COBOL programming  aDelhibWiley Easternc1987  aix,506p.c23 cm.bPB  aCobol, Computer programming language