ACHARYA, Shantibhai. ભાષાઓનું વર્ગીકરણ. Vidyapith (વિદ્યાપીઠ), [S. l.], v. 52, n. 01, p. 62–73, 2014. Disponível em: https://journal.gujaratvidyapith.org/index.php/vp/article/view/190. Acesso em: 25 aug. 2026.