id	domain	url
gujaf-84	doi.org	https://doi.org/10.5923/j.ijfa.20170604.01
gujaf-84	doi.org	https://doi.org/10.5430/afr.v4n3p20
gujaf-84	doi.org	https://doi.org/10.21511/bbs.11(4-1).2016.04