Janan Jabbar Toma and Farhad Hassan Aziz 2022. Heavy metals compositions in springs and streams from Shaqlawa district, Erbil Province, Kurdistan region of Iraq. Zanco Journal of Pure and Applied Sciences. 34, 4 (Aug. 2022), 45–52. DOI:https://doi.org/10.21271/ZJPAS.34.4.5.