TY - BOOK AU - Kaufman,Bob TI - Cost-effective telecommunications management: turning telephone costs into profits SN - 0843616091 AV - HF5541 .T4 K37 1983 U1 - 658.1/553 19 PY - 1983/// CY - Boston, Mass. PB - CBI Pub. Co. KW - Telephone in business KW - Local N1 - Includes index ER -