JINGXIAN HUANG. Modelling the Income Elasticity of Demand of Different Beverages Among CBC Hefei No.1 Secondary School Students in the Context of Covid-19. Innovation in Science and Technology, [S. l.], v. 1, n. 1, p. 13–21, 2022. DOI: 10.56397/IST.2022.08.03. Disponível em: https://www.paradigmpress.org/ist/article/view/75. Acesso em: 30 apr. 2025.