?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Dele%C3%B3n+Reyes&rft.aufirst=Yancy+Daniela&rft.au=Dele%C3%B3n+Reyes%2C+Yancy+Daniela&rft.degree=Masters&rft.title=Dise%C3%B1o+de+plan+estrat%C3%A9gico+de+atenci%C3%B3n+al+cliente+para+la+empresa+Cartagena+Estudio%2C+Sociedad+An%C3%B3nima+de+Capital+Variable+ubicada+en+San+Salvador%2C+El+Salvador&rft.date=15+Julio+2022