FADILLAH, Arief. MARKET RESEARCH: HITAMNYA KOPI INDONESIA DI PASAR KOREA. Buletin Ilmiah Litbang Perdagangan, [S. l.], v. 2, n. 1, p. 56–69, 2008. Disponível em: https://jurnal.kemendag.go.id/index.php/bilp/article/view/162. Acesso em: 8 oct. 2025.