Muratova, M. (2025). 661.635.213:622.364.1 Kimyo va kimyoviy texnologiyalar: Method for producing a fire retardant agent with nitric acid solutions of various concentrations. Scientific and Technical Journal of Namangan Institute of Engineering and Technology, 10(1), 123–131. https://doi.org/10.61151/stjniet.v10i1.687