id	domain	url
ideas-6297	doi.org	https://doi.org/10.1186/s40594-021-00294-z
ideas-6297	doi.org	https://doi.org/10.1088/1755-1315/693/1/012019
ideas-6297	doi.org	https://doi.org/10.6007/ijarped/v13-i1/20958