JANSEN, J. True (Cost) Prices in the Supply Chain of Coffee A Sustainable Supply Chain Finance View. London Journal of Social Sciences, [S. l.], n. 11, 2026. DOI: 10.31039/ljss.2026.11.363. Disponível em: https://londonic.uk/js/index.php/ljbeh/article/view/363. Acesso em: 11 mar. 2026.