TESFAHUN SISAY; MEHARI, Bewketu Mehari; DEREJE YENEALEM. Elemental and Polyphenol Contents of Green Coffee Beans from Central Gondar Zone, Ethiopia. Ethiopian Journal of Natural and Computational Sciences , [S. l.], v. 3, n. 2, p. 443–452, 2024. Disponível em: https://journal.uog.edu.et/index.php/EJNCS/article/view/778. Acesso em: 15 oct. 2025.