SHARMA, P. .; SOHAL, K. S. . Emerging Cropping Pattern in Punjab: A Debatable Issue. National Geographical Journal of India , [S. l.], v. 59, n. 2, p. 19–36, 2022. Disponível em: https://ngji.in/index.php/ngji/article/view/646. Acesso em: 3 may. 2024.