id	domain	url
efajoead-1460	doi.org	https://doi.org/10.15294/lc.v12i2.14180
efajoead-1460	doi.org	https://doi.org/10.18178/ijlll.2018.4.3.176
efajoead-1460	doi.org	https://doi.org/10.11648/j.ijll.20180603.13