Assessment of Levels of Elements Concentrations (Pb, As, Cr) in Groundwater and its Environmental Impacts in the Yaychi Region, Kirkuk / Northern Iraq
Maǧallaẗ ǧāmiʻaẗ kirkūk. Al-dirāsāt al-ʻilmiyyaẗ/Mağallaẗ ğāmiʿaẗ Kirkūk. Al-dirāsāt al-ʿilmiyyaẗ