id	domain	url
stem-970	en.wikipedia.org	https://en.wikipedia.org/wiki/information_gap_activity
stem-970	en.wikipedia.org	https://en.wikipedia.org/wiki/communicative_language_teaching
stem-970	study.com	https://study.com/learn/lesson/communicative-language-teaching-approach-features-clt.html
stem-970	en.wikipedia.org	https://en.wikipedia.org/wiki/communicative_language_teaching
stem-970	study.com	https://study.com/learn/lesson/communicative-language-teaching-approach-features-clt.html