Redwan M, Mahran TM, Mohamed MT, Mohamed YS.  Geochemical assessment of carbonate and clay rocks for the cement industry: a case study from Gabal Akheider, Ain Sukhna area, north-west Gulf of Suez, Egypt.  Episodes 2024;47:35-51.  https://doi.org/10.18814/epiiugs/2023/023019