Pasichnyk, M., Kucher, E. and Hyrlya, L. 2018. Synthesis of magnetite nanoparticles stabilized by polyvinylpyrrolidone and analysis of their absorption bands. Eastern-European Journal of Enterprise Technologies. 3, 6 (93) (May 2018), 26–32. DOI:https://doi.org/10.15587/1729-4061.2018.132057.