MONTENEGRO BALLESTERO, Johnny; BARRANTES GUEVARA, Eduardo. Implementation of the Sulfur Hexafluoride Technique in Costa Rica to Quantify Enteric Methane in Cattle. Tropical Journal of Environmental Sciences, [S. l.], v. 50, n. 2, p. 62–74, 2016. DOI: 10.15359/rca.50-2.5. Disponível em: https://www.revistas.una.ac.cr/index.php/ambientales/article/view/8973.. Acesso em: 30 jun. 2024.