Enhanced performance of lanthanum orthoferrite/chitosan nanocomposites for the adsorptive photocatalytic removal of reactive black 5 by Marhalim, M. A. A., Mohtar, S. S., Mohammed, A. M., Aziz, F., Sokri, M. N. M., Salleh, W. N. W., Yusof, N., Jaafar, J., Ismail, A. F., Aziz, M., Naim, R.