@article{articlee47d1235,
title   = {The prices of mailing services evaluated by companies},
author = {Gouvêa, Maria Aparecida and Toledo, Geraldo Luciano and Rodrigues Filho, Lino Nogueira},
year = {2001},
doi = {10.1108/eum0000000005559},
journal   = {Marketing Intelligence & Planning}
}