Study of 1,1-dimethylhydrazine transformation processes in water in the presence of iron (III), copper (II) and manganese (II) cations - Alimzhanova, Mereke; Doszhan, Gulnur; Kenessov, Bulat; Batyrbekova, Svetlana; Nauryzbayev, Mikhail (Chemical Bulletin of Kazakh National University)