Tsygankova, Liudmila, Victoriya Bryaksina, Aleksandr Uryadnikov, and Ljubov Kanaeva. 2025. “Using Expired Drotaverine for Corrosion Protection of Steel in HCl Solution”. Chemical Bulletin of Kazakh National University 115 (2), In Press. https://doi.org/https://doi.org/10.15328/cb1403.