Altaher, A. A.-E., Abd-Elhady, M. S., El-Sheikh, M. N., & Ahmed, S. A. (2022). The Effect of using Secondary Reflectors on the Thermal Performance of Solar Collectors with Evacuated Tubes. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 99(2), 187–196. https://doi.org/10.37934/arfmts.99.2.187196