SITOMPUL, M. G.; YUNARTI, Y.; AFDAL, M. Perubahan Nilai Ekspor Kopi Indonesia Pasca Kebijakan Permendag No 19 Tahun 2021. Journal Galung Tropika, [S. l.], v. 12, n. 1, p. 97–108, 2023. DOI: 10.31850/jgt.v12i1.1052. Disponível em: https://mail.jurnalpertanianumpar.com/jgt/article/view/1052. Acesso em: 7 nov. 2026.