00973nam a2200289Ia 4500 230531 BIBL 20160527202011.0 890807s1992 ck a 00110 spa 89010823 //r92 0574201904 (OCoLC)20264472 DLC DLC PUXA 651.7/3 20 Pekas, Mary D. Local 148873 Telephone mastery : skills for business productivity. El teléfono su uso productivo en los negocios Mary D. Pekas. Bogotá, Colombia McGraw Hill Interamericana c1992. x, 116 p. ill. Includes index. Translation of : Telephone mastery, skills for business productivity. Telephone in business. Local 177614 Telephone selling Local 177617 Coules de Restrepo, Susan Local 81408 Mejia Duque, María Local 134762 171724 171724 0 0 ddc 0 651_730000000000000_P364T_E 0 abl 341178 1 1 17 2016-05-27 327214 0 651.73 P364t E 60000001860177 2016-05-27 00:00:00 r:230531 6