KRUYT, Albert. Bab XXII: Perdagangan. LOBO: Annals of Sulawesi Research, [S. l.], v. 5, n. (S6), 2023. DOI: 10.25071/2563-2418.100. Disponível em: https://lobo.journals.yorku.ca/index.php/default/article/view/100. Acesso em: 22 dec. 2024.