BAYARAA, Batkhishig. Preface Vol.50. Mongolian Geoscientist, [S. l.], v. 50, p. 1, 2020. DOI: 10.5564/mgs.v50i0.1324. Disponível em: https://test.mongoliajol.info/MGS/article/view/1324. Acesso em: 27 oct. 2025.