Babichenko, A., Velma, V., Babichenko, J., Kravchenko, Y. and Krasnikov, I. 2017. System analysis of the secondary condensation unit in the context of improving energy efficiency of ammonia production. Eastern-European Journal of Enterprise Technologies. 2, 6 (86) (Apr. 2017), 18–26. DOI:https://doi.org/10.15587/1729-4061.2017.96464.