« Circular economy, motivations for its adoption, and the main challenges in its implementation “A presentation of the German experience (2017-2020)” », renaf, vol. 20, nᵒ 34, p. 1–16, juin 2025, Consulté le: oct. 23, 2026. Disponible sur: https://journals.univ-chlef.dz/index.php/renaf/article/view/217