A. Hegab, Omar, et al. “Geological and Geotechnical Assessment of Gabal Ataqa Dolostones, for Pavement Construction in Egypt”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 36, no. 4, Oct. 2017, pp. 56-73, https://gssrr.org/JournalOfBasicAndApplied/article/view/8213.