id	domain	url
gujaf-19	doi.org	https://doi.org/10.57233/gujaf.v1i1.19
gujaf-19	doi.org	https://doi.org/10.6007/ijarafms/v4-i2/725
gujaf-19	doi.org	https://doi.org/10.5430/afr.v4n3p20