2218-3620 2218-3620 S2218-36202021000600497 Puerto Rico México 00 12 2021 00 12 2021 13 6 497 505

Advertising Bureau of Puerto Rico 2012 2020 31 4 4 2021 2020 2018 2021 Noticel 2016 2002 10 5 5 9-10 2013 24 2 2 176-94 Radio Isla 2021 2019 2021 2021 13 3 3 484-90