THE FORMATION AND FUNCTIONAL VARIETIES OF THE KAZAKH OFFICIAL-BUSINESS LANGUAGE IN THE 18th-19th CENTURIES. BULLETIN OF SHAKARIM UNIVERSITY PHILOLOGY SERIES SCIENTIFIC JOURNAL, [S. l.], v. 1, n. 2(6), p. 26–36, 2026. DOI: 10.53360/3080-387X-2026-1-2(6)-%p. Disponível em: https://philological.vestnik.shakarim.kz/index.php/my/article/view/250.. Acesso em: 6 jul. 2026.