El teléfono su uso productivo en los negocios Telephone mastery : skills for business productivity Pekas, Mary D. creator Coules de Restrepo, Susan Mejia Duque, María text ck Bogotá, Colombia McGraw Hill Interamericana c1992 1992 monographic spa
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x, 116 p. ill. Mary D. Pekas. Includes index. Translation of : Telephone mastery, skills for business productivity. Telephone in business Telephone selling 651.7/3 0574201904 89010823 //r92 DLC 890807 20160527202011.0 230531