SINGH, S. .; CHANDRAMAULI. Spatial Inequality in Development of Robertsganj Tahsil, Sonbhadra District, U.P. National Geographical Journal of India , [S. l.], v. 56, n. 1, p. 19–30, 2022. Disponível em: http://65.0.158.54/index.php/ngji/article/view/486. Acesso em: 13 jul. 2025.