Salvador, R. ., M. L. . Eriksen, N. C. . Kjærsgaard, M. . Hedegaard, V. . Lund, and T. . Knudby. “Building Elements from Straw: Challenges of a Circular Business Model”. European Journal of Sustainable Development, vol. 14, no. 3, Oct. 2025, p. 91, http://www.ojs.ecsdev.org/index.php/ejsd/article/view/1748.