A PRACTICAL GUIDE TO PROGRAMMING AND OPERATIONS ZEILENGA, DONALD G. creator LENCZYCKI, DONNA M. NEW YORK J. WILEY 1993 spa IX, 243 P. 24 CM. D.G. ZEILENGA, D.M. LENCZYCKI. INCLUYE INDICE. 3 1.IBM AS-400 (COMPUTADORA) 005.245 Z45 0-471-60309-0 ITTG 241215 20250115011721.0 ITTG4101