id	domain	url
stem-5463	americanenglish.state.gov	https://americanenglish.state.gov/resources/teacherscorner-teaching-authentic-materials
stem-5463	americanenglish.state.gov	https://americanenglish.state.gov/resources/teachers-corner-teaching-authentic-materials
stem-5463	americanenglish.state.gov	https://americanenglish.state.gov/resources/teachers-corner-teaching-authentic-materials
stem-5463	www.redalyc.org	https://www.redalyc.org/pdf/4994/499450712007.pdf
stem-5463	www.redalyc.org	https://www.redalyc.org/pdf/4994/499450712007.pdf