« Comparison of the Efficiency of Three Types of Solar Collectors ». The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science 35, no. 3 (septembre 15, 2012): 63–66. Consulté le novembre 2, 2026. https://ojs.ugal.ro/index.php/mms/article/view/2883.