Maher Najm Abdullah, Mohammed Rashid Abood, and Amera Ismael Hussain. “The Validity of Limestone Rocks Belonging to the Pila Spi and Sinjar Formations Within the Bazian Fold / Sulaymaniyah Governorate for Riprap Purposes”. Tikrit Journal of Pure Science, vol. 27, no. 2, Nov. 2022, pp. 34-37, doi:10.25130/tjps.v27i2.74.