Melnychenko, Anatolii, Anna Pohrebniak, Olena Kostiunik, Tetiana Shchepina, and Denys Derevianko. “Principles for Training Students in Circular Economy Skills: Pedagogical and Ecological Areas”. Journal of the University of Zulia 15, no. 43 (April 27, 2024): 397-412. Accessed August 2, 2025. http://www.produccioncientifica.luz.edu.ve/index.php/rluz/article/view/42009.