2018. Analysis of propagation models for digital terrestrial television (DTT), under the ISDB-Tb standard in cities of Ambato and Latacunga, Ecuador. Journal of Science and Research: Revista Ciencia e Investigación. 3, CITT2017 (Feb. 2018), 84–90. DOI:https://doi.org/10.26910/issn.2528-8083vol3issCITT2017.2018pp84-90.