MAENGKOM, F.R.; SCHRAUWERS, Albert. BUKU HARIAN PERJALANAN DARI TOJO KE MORI (SULAWESI TENGAH): Dan Kembali Ke Danau Poso (11-27 April 1906). LOBO: Annals of Sulawesi Research, [S. l.], v. 3, n. S2, p. 42–53, 2022. Disponível em: https://lobo.journals.yorku.ca/index.php/default/article/view/23. Acesso em: 7 may. 2024.