MARHAMI, Marhami; DASARI, Dadan; SURYADI, Didi; JUANDI, Dadang. Epistemological obstacles in combinatorics as praxeological gaps among pre-service mathematics teachers. Jurnal Elemen, [S. l.], v. 12, n. 3, p. 710–723, 2026. DOI: 10.29408/jel.v12i3.35192. Disponível em: https://e-journal.hamzanwadi.ac.id/index.php/jel/article/view/35192. Acesso em: 20 aug. 2026.