00619cam a22002534a 4500 AR-SsjUIB 20250716140310.0 250429s1977 ag 000 0 spa d AR-SsjUIB AR-SsjUIB spa ag 681.3.06 Ekman, Torgil 18030 Cobol. Buenos Aires: [s.n.], 1977. 149 p. Cobol lemb 12385 Informática lemb 2114 Libro unescot 14 Nilson, Kenneth 18032 LB cdu dbfi 2002-11-21 14213 14213 0 0 cdu 0 0 ING ING 2025-07-10 Compra 3783 0 681.3.06 EKMc BFI.3783 2025-07-10 00:00:00 1 2025-07-10 LB