Murray, Jerome T. Programación RPG-II sistema/3IMB / Jerome T. Murray - México : Limusa - 258 p. ISBN: 968-18-0835-5 Subjects--Topical Terms: 1. PROGRAMACIÓN RPG-II 2. SISTEMA IBMÌ LC Class. No.: QA76.8 I103 M87 1980 Dewey Class. No.: 005.22 M981p 1980