Sallam, A., Hemeda, S., Hassan, M., & Khalil, M. M. (2022). Non-destructive testing of nano-silica for enhancing the durability of limestone structures in the Valley of the Kings, Luxor, Egypt. Conservation Science in Cultural Heritage, 22(1), 51–60. https://doi.org/10.6092/issn.1973-9494/17301