Shelly, Gary B. Advanced structured COBOL : program design and file processing / Gary B. Shelly & Thomas J. Cashman. - 1a ed. - Fullerton, CA. : Anaheim, c1978 - xi, pv. : il. ; 27 cm. Incluye índice ISBN: 0882361120 Subjects--Topical Terms: COBOl (Lenguaje de programación de computadores) LC Class. No.: QA76.73.C25 / S54 1978