id	domain	url
gp-138	doi.org	https://doi.org/10.4135/9781526466037
gp-138	doi.org	https://doi.org/10.1016/j.orp.2018.100089
gp-138	doi.org	https://doi.org/10.1108/ijis-042020-0049
gp-138	doi.org	https://doi.org/10.1016/j.ijpe.2020.107971
gp-138	doi.org	https://doi.org/10.1016/j.jclepro.2021.127692