Younis , B. M., e I. O. Saeed. “CONCENTRATION OF HEAVY METALS IN SOIL CONTAMINATED WITH CRUDE OIL AT TWO IRAQUIAN SITES ACCORDING TO ENVIRONMENTAL INDICES OF POLLUTION”. Nativa, vol. 11, nº 4, dezembro de 2023, p. 5458-565, doi:10.31413/nat.v11i4.16521.