गंगा यमुना दोआब क्षेत्र के भाषायी विकास पर भूगोल का प्रभाव. International Journal of Humanities, Commerce and Education, [S. l.], v. 2, n. 7, p. 1–4, 2026. DOI: 10.59828/ijhce.v2i7.111. Disponível em: https://ijhce.com/index.php/ijhce/article/view/111. Acesso em: 22 jul. 2026.