id	domain	url
stem-3424	www.elibrary.ru	https://www.elibrary.ru/item.asp?id=41328882
stem-3424	www.semanticscholar.org	https://www.semanticscholar.org/paper/the-effect-of-flipped-classroom-instruction-onefl
stem-3424	www.elibrary.ru	https://www.elibrary.ru/ip_restricted.asp?rpage=https%3a%2f%2fwww%2eelibrary%2eru
stem-3424	www.in-academy.uz	https://www.in-academy.uz/index.php/ejsspc/article/view/8533
stem-3424	journal.buxdu.uz	http://journal.buxdu.uz/index.php/journals_buxdu/article/view/6946