Ziarati, P., P. Kozub, S. Vambol, V. Vambol, N. A. Khan, S. Kozub, and S. Tajik. “Kinetics of Cd, Co and Ni Adsorption from Wastewater Using Red and Black Tea Leaf Blend As a Bio-Adsorbent”. Ecological Questions, vol. 32, no. 2, Dec. 2020, pp. 59-70, doi:10.12775/EQ.2021.014.