Безродний, М.К., Кутра, Д.С. and Морощук, О.О. 2014. Efficiency of heat pump ventilation and water heating system in an indoor swimming pool. Eastern-European Journal of Enterprise Technologies. 3, 8(69) (Jun. 2014), 34–39. DOI:https://doi.org/10.15587/1729-4061.2014.24873.