H. M. Kefas, Y. Luka, A. M. ABUBAKAR, and A. O. Egbeji, “Removal of Iron and Copper Ions from Water Using Cashew Nut Shell Adsorbent: Langmuir, Freundlich, Redlich-Peterson and Harkin-Jura Isotherms ”, Indochin. Appl. Sci., vol. 14, no. 2, p. 255590 , May 2025.