id	domain	url
ideas-2320	doi.org	https://doi.org/10.36597/jelp.v2i2.4865
ideas-2320	doi.org	https://doi.org/10.18415/ijmmu.v5i3.367
ideas-2320	doi.org	https://doi.org/10.24256/ideas.v9i1.1966
ideas-2320	doi.org	https://doi.org/10.33369/jeet.1.1.1-8
ideas-2320	doi.org	https://doi.org/10.4304/jltr.3.6.1128-1134
ideas-2320	files.eric.ed.gov	http://files.eric.ed.gov/fulltext/ej971235.pdf
ideas-2320	doi.org	https://doi.org/10.1017/cbo9780511667152.003
ideas-2320	citeseerx.ist.psu.edu	http://citeseerx.ist.psu.edu/viewdoc
ideas-2320	doi.org	https://doi.org/10.24256/ideas.v7i2.1027
ideas-2320	doi.org	https://doi.org/10.21070/jees.v4i1.1777
ideas-2320	doi.org	https://doi.org/10.24256/ideas.v9i1.1966
ideas-2320	doi.org	https://doi.org/10.24256/ideas.v7i2.1027