DOI : https://doi.org/10.14258/leglin(2019)1201
DOI : https://doi.org/10.14258/leglin(2019)1202
DOI : https://doi.org/10.14258/leglin(2019)1203
DOI : https://doi.org/10.14258/leglin(2019)1204
DOI : https://doi.org/10.14258/leglin(2019)1205