Rossoni, Diogo Francisco, and Jefter Leandro Polletti. “Hunger and Prices in Brazil: A Spatial Analysis of the Increase in the Price of the Basic Food Basket During the Covid-19 Pandemic”. Sigmae, vol. 12, no. 1, Jan. 2023, pp. 47-68, https://publicacoes.unifal-mg.edu.br/revistas/index.php/sigmae/article/view/2017.