EKHJARGAL, Odbaatar; BUMTSEND, Bayanjargal; TOVUUDORJ, Renchinmyadag. Landform classification based on topographic position Index: (A case study in Ulaanbaatar city). Mongolian Journal of Geography and Geoecology, [S. l.], v. 59, n. 43, p. 218–226, 2022. DOI: 10.5564/mjgg.v59i43.2530. Disponível em: https://test.mongoliajol.info/MJGG/article/view/2530. Acesso em: 27 oct. 2025.