Energetic, exergetic and financial evaluation of a solar-powered absorption chiller integration into a CO$łess$sub$\greater$2$łess$/sub$\greater$ commercial refrigeration system - Syngounas, Evangelos; Tsimpoukis, Dimitrios; Koukou, Maria K; Vrachopoulos, Michail G (Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 2022)