00667nam a22002177a 4500 5722 5722 1944 BD-DhUAP 20201220151100.0 201220s1990 caua b 001 0 eng d 0805303049 DLC DLC BD-DhUAP eng 004.6 STA 23 Stamper, David A. Casebook to accompany Business data communications / David A. Stamper. California : The Benjamin/Cummings publishing co., c1990. ix, 124 pages : illustrations ; 24 cm. Data transmission systems. Computer networks. Business communication. ddc BK 0 0 ddc 0 0 UAPCL UAPCL General Stacks 2020-12-20 004.6 STA 3010001944 2020-12-20 1 2020-12-20 BK