Food pricing: A study on the sales of food in Brazilian private schools. - Carmo, Ariene Silva do; de Castro Júnior, Paulo César Pereira; Caldeira, Thais Cristina Marquezine; Canella, Daniela Silva; Claro, Rafael Moreira; Borges, Luiza Delazari; Mendes, Larissa Loures (PLoS ONE, 2025)