id	domain	url
efajoead-2721	doi.org	https://doi.org/10.1080/09571736.2017.1370604
efajoead-2721	doi.org	https://doi.org/10.1080/09500782.2015.1031677
efajoead-2721	doi.org	https://doi.org/10.1080/09500782.2015.1031677
efajoead-2721	doi.org	https://doi.org/10.5539/ijel.v1n1p105
efajoead-2721	doi.org	https://doi.org/10.5829/idosi.mejsr.2013.15.8.11238
efajoead-2721	doi.org	https://doi.org/10.1080/09658410903197348
efajoead-2721	doi.org	https://doi.org/10.1080/09500782.2015.1031677
efajoead-2721	doi.org	https://doi.org/10.1080/13488678.2020.1867952