id	domain	url
ideas-3590	u.lipi.go.id	http://u.lipi.go.id/1457703302
ideas-3590	doi.org	https://doi.org/10.5539/elt.v6n1p147
ideas-3590	doi.org	https://doi.org/10.5539/ies.v10n6p159
ideas-3590	doi.org	https://doi.org/10.24256/ideas.v10i1.2555
ideas-3590	doi.org	https://doi.org/10.21462/eflj.v1i1.8
ideas-3590	dx.doi.org	https://doi.org/http://dx.doi.org/10.21093/di.v16i1.353
ideas-3590	doi.org	https://doi.org/10.5539/elt.v8n6p166
ideas-3590	doi.org	https://doi.org/10.24256/ideas.v10i1.2555
ideas-3590	doi.org	https://doi.org/10.11648/j.ijll.s.2015030601.15
ideas-3590	doi.org	https://doi.org/10.24256/ideas.v10i1.2661
ideas-3590	doi.org	https://doi.org/10.24256/ideas.v10i1.2563
ideas-3590	doi.org	https://doi.org/10.5539/ass.v11n9p158
ideas-3590	doi.org	https://doi.org/10.24256/ideas.v10i1.2661
ideas-3590	doi.org	https://doi.org/10.24256/ideas.v10i1.2563