Aveen Faidhalla Jalal, Hawraz Sami Khalid, Iman Tayib Yasin and Mhabat Rashid Xanamir 2020. Estimation of Some Metals in Children’s Colorful Modeling Clay Sold in the Markets of Erbil City, Kurdistan Region, Iraq. Zanco Journal of Pure and Applied Sciences. 32, 5 (Oct. 2020), 134–145. DOI:https://doi.org/10.21271/ZJPAS.32.5.13.