Al-Salmani, N. Z., and M. Y. Tamar-Agha. “Petrography and Provenance of the Sandstone of Injana and Mukdadiya Formations (Upper Miocene/Pliocene) at Duhok Governorate, Northern Iraq”. Iraqi Journal of Science, Vol. 59, no. 4B, Nov. 2018, pp. 2040-52, https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/499.