Melnychenko, A., A. Pohrebniak, O. Kostiunik, T. Shchepina, and D. Derevianko. “Principles for Training Students in Circular Economy Skills: Pedagogical and Ecological Areas”. Journal of the University of Zulia , Vol. 15, no. 43, Apr. 2024, pp. 397-12, doi:10.46925//rdluz.43.23.