OCTORIANSYAH, Junghun Sylvawana; DARINI, Ririn. The Expedition of Franz Wilhelm Junghuhn and the Development of Cinchona as a Commodity in the Dutch East Indies (1835–1896). Yupa: Historical Studies Journal, [S. l.], v. 10, n. 1, p. 12–19, 2026. DOI: 10.30872/yupa.v10i1.4402. Disponível em: https://jurnal.fkip.unmul.ac.id/index.php/yupa/article/view/4402. Acesso em: 2 may. 2026.