Górniak, Joanna, and Agnieszka Bukowska-Piestrzyńska. “Returnable Packaging in E-Commerce from Socio-Economic Perspective – Research Results ”. Czasopismo "Economics and Environment" 84, no. 1 (May 13, 2023): 172–183. Accessed October 30, 2024. https://ekonomiaisrodowisko.pl/journal/article/view/526.