Lajmiri Orak, Z., Sabzalipour, S., Panahpour, E., Attar Roshan, S., & Tavakkoli, H. "Chemical Fractionation of Copper and Zinc After Addition of Conocarpous Waste Biochar to A Drill Cutting", Journal of Advances in Environmental Health Research, 9, 1, 2021, 57-68. doi: 10.32598/JAEHR.9.1.1202