0300-9041 0300-9041 S0300-90412020000500353 10.24245/gom.v88i5.4097 España 00 00 2020 00 00 2020 88 5 353 355 1 2020 11 1 1 65-9 2 2020 3 2020 27 1 1 43-9 4 2019 160 41 41 1617-22 5 2019 51 6 6 509-15