On the origin of the river name Kaa-khem and the appellative form ‘khem’ (river). The New Research of Tuva, [S. l.], n. 3, 2018. DOI: 10.25178/nit.2018.3.6. Disponível em: https://nit.tuva.asia/nit/article/view/790. Acesso em: 2 jan. 2026.