Souza, R., L. Coltro, P. Lodi, and R. Alves. “Sustainability of Flexible Plastic Packaging for Instant Coffee: Evaluation of Environmental Impact and Recyclability”. Journal of Recycling Economy & Sustainability Policy, vol. 3, no. 1, Feb. 2024, pp. 46-58, https://respjournal.com/index.php/pub/article/view/29.