SMOL, M., A. AVDIUSHCHENKO, and J. KULCZYCKA. “Circular Economy (CE) Assumptions in WEEE Management: Polish Case Study”. Economic and Environmental Studies, vol. 16, no. 4 (40), Dec. 2020, pp. 531-49, https://czasopisma.uni.opole.pl/index.php/ees/article/view/3056.