00000nam a2200000 a 4500 20251203090954.0 007100551X 001.6424C,lit _ Litecky, Charles, R. Structured Cobol: a step by step approach Delhi: MvcGraw-Hill 1987 xii,401p. 24 cm. Computer program language, Cobol <Computer science> Davis, Gordon, B. Eng 100 010 _ 49662 C 25322 25322 0 0 0 0 PU PU 1998-04-08 0 001.6424C,lit _ 49662 1998-07-29 BK