Mohammed R. Abood, et al. “Suitability of Injana Sandstone Rocks for Building Stone and Rail Way Ballast Stone ̸ Ketol Area ̸ Sulymania Governorate”. Tikrit Journal of Pure Science, vol. 20, no. 5, Feb. 2023, pp. 106-1, doi:10.25130/tjps.v20i5.1246.