A. Estrella, The effects of Voluntary Sustainability Standards in the economy of smallholder farmers in Latin America: An investigation of the impact pathways of sustainability standards leading to improved economic outcomes for certified coffee producers, vol. Band 29. Münster: TESTINSTANZ: Wissenschaftliche Schriften der Universität Münster, 2020. Accessed: May 07, 2026. [Online]. Available: https://www.uni-muenster.de/EbooksTestInstallation/index.php/series/catalog/book/281