PATRA, D. C. Is LPG a Sustainable Cooking Fuel for India? A Study in Managerial Economics. SFIMAR Research Review, [S. l.], v. 5, n. 10, p. 19–23, 2010. Disponível em: https://sfimar.srels.org/index.php/srr/article/view/109207. Acesso em: 28 jan. 2026.