HASSAN, H. J. A., S. A. TAHER, and S. ALYOUSIFY. “EFFECT OF GRAVEL DUST AND LIMESTONE DUST ON GEOTECHNICAL PROPERTIES OF CLAYEY SOIL”. Journal of Duhok University, Vol. 23, no. 2, Jan. 2021, pp. 194-05, https://journal.uod.ac/index.php/uodjournal/article/view/924.