1.
Andrzejewski M, Dunal P, GrabiƄski K. Using guarantees of origin for electricity from renewable energy sources as an instrument for reducing product carbon footprint: A case study. IER [Internet]. 2025 Dec. 29 [cited 2025 Dec. 30];11(4):119-28. Available from: https://ier.uek.krakow.pl/index.php/pm/article/view/2377