00878nam a2200265Ia 4500001000700000003000500007005001700012008004100029010002000070020001500090035002000105040001300125082001600138100002600154240005800180245006900238260005900307300002000366500002000386500007400406650003400480650002900514700003700543700003200580230531BIBL20160527202011.0890807s1992    ck a          00110 spa    a 89010823 //r92  a0574201904  a(OCoLC)20264472  aDLCcDLC00a651.7/32201 aPekas, Mary D.2Local10aTelephone mastery : skills for business productivity.13aEl teléfonobsu uso productivo en los negocioscMary D. Pekas.  aBogotá, ColombiabMcGraw Hill Interamericanacc1992.  ax, 116 p.bill.  aIncludes index.  aTranslation of : Telephone mastery, skills for business productivity. 0aTelephone in business.2Local 0aTelephone selling2Local10aCoules de Restrepo, Susan2Local10aMejia Duque, María2Local