ANALYSIS OF THE REASONS FOR THE PRODUCTION OF SECONDARY GASES AND THEIR PHYSICAL-CHEMICAL PROPERTIES IN EXISTING CHEMICAL INDUSTRY ENTERPRISES IN THE FERGANA VALLEY. American Journal of Technology and Applied Sciences, [S. l.], v. 13, p. 14–20, 2023. Disponível em: https://americanjournal.org/index.php/ajtas/article/view/995. Acesso em: 1 may. 2026.