SINGH, SUKHPAL; SEKHON, M K; KUMAR, SUNNY. Staggered public procurement of food grains in Punjab: New policy regime. The Indian Journal of Agricultural Sciences, Delhi, India, v. 91, n. 10, p. 1510–1514, 2021. DOI: 10.56093/ijas.v91i10.117517. Disponível em: http://epubs.icar.org.in/index.php/IJAgS/article/view/117517. Acesso em: 29 oct. 2025.