Muratova, M. “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, vol. 10, no. 1, Mar. 2025, pp. 123-31, doi:10.61151/stjniet.v10i1.687.