SINGH, G. .; SOHAL, K. S. . Existing Land Use Patterns in Punjab: 2007-08. National Geographical Journal of India , [S. l.], v. 59, n. 1, p. 9–22, 2022. Disponível em: https://ngji.in/index.php/ngji/article/view/636. Acesso em: 4 may. 2024.