El teléfono
Pekas, Mary D.
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.
0574201904
89010823 //r92
Telephone in business.
Telephone selling
651.7/3
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.
0574201904
89010823 //r92
Telephone in business.
Telephone selling
651.7/3