Espinel-Blanco E, Quintero D, Sanchez-Ascanio L. Identification of valves and flanged joint for monitoring fugitive emissions according to EPA method 21. Rev. Ingenio [Internet]. 2016 Jun. 30 [cited 2024 Jul. 3];9(1):1-12. Available from: https://revistas.ufps.edu.co/index.php/ingenio/article/view/2062