Basi, Muzahim Aziz. “SEDIMENTOLOGICAL , PETROGRAPHICAL AND CLAY MINERAIOGICAL STUDY OF THE GRAVEL AND CONGLOMERETE FACIES OF THE NORTHERN PART OF SAMARRA CITY ,IRAQ”. Journal of Wasit for Science and Medicine, vol. 2, no. 2, Oct. 2022, pp. 84-100, https://doi.org/10.31185/jwsm.62.