@inbook{ GUTIÉRREZ:426-435,

author = { JUNCAL GUTIÉRREZ ARTACHO } ,

title = { Open Source CRM Tools for Small Companies },

booktitle = { Recent Advances in Information Systems and Technologies },

isbn = { 978-3-319-56535-4 },

publisher = { Springer },

pages = { 426 - 435 },

year = { 2017 },

}