Balarak, D., M. Baniasadi, and M. Bazzi. “Adsorption Equilibrium and Thermodynamic Studies of Ciprofloxacin from Aqueous Solutions by Magnetic Bentonite Nanocomposites”. International Journal of Pharmaceutical Investigation, Vol. 10, no. 3, Oct. 2020, pp. 339-43, doi:10.5530/ijpi.2020.3.60.