id	domain	url
ideas-5307	u.lipi.go.id	http://u.lipi.go.id/1457703302
ideas-5307	doi.org	https://doi.org/10.36892/ijlls.v5i4.1488
ideas-5307	doi.org	https://doi.org/10.4018/978-1-4666-5007-7.ch001
ideas-5307	doi.org	https://doi.org/10.1093/elt/ccr017