MARZUKI, Diky Muhammad. Peran Karel Frederick Holle dalam Perkembangan Pertanian dan Pendidikan di Garut. Historia Madania: Jurnal Ilmu Sejarah, [S. l.], v. 3, n. 1, p. 27–34, 2019. DOI: 10.15575/hm.v3i1.9393. Disponível em: http://103.55.33.27/index.php/historia/article/view/9393. Acesso em: 18 dec. 2025.