A. Ashibil, P. . Víg, V. . Erdélyi, J. Tóth, and I. Farkas, “Performance Assessments of Direct Contact Serpentine Tube Based Photovoltaic Thermal Module: An Experimental Comparison”, J. eng. sustain. dev., vol. 28, no. 4, pp. 473–479, Jul. 2024, doi: 10.31272/jeasd.28.4.6.