1. Salim, N.A.A., Puteh, M.H., Yusoff, A.R.M., Abdullah, N.H., Fulazzaky, M.A., Rudie Arman, M.A.Z., Khamidun, M.H., Zaini, M.A.A., Syafiuddin, A., Ahmad, N., Lazim, Z.M., Nuid, M., and Zainuddin, N.A., Adsorption isotherms and kinetics of phosphate on waste mussel shell, Malay. J. Fundam. Appl. Sci., 2020, vol. 16, pp. 393–399.
2. Tjandraatmadja, G., Pollard, C., Sheedy, C., and Gozukara, Y., Sources of Contaminants in Domestic Wastewater: Nutrients and Additional Elements from Household Products, Australia: CSIRO, 2010.
3. Salim, N.A.A., Puteh, M.H., Yusoff, A.R.M., Abdullah, N.H., Fulazzaky, M.A., Rudie Arman, M.A.Z., Khamidun, M.H., Zaini, M.A.A., Syafiuddin, A., Ahmad, N., Lazim, Z.M., Nuid, M., and Zainuddin, N.A., Phosphate removal from wastewater in batch system using waste mussel shell, Biointerface Res. Appl. Chem., 2021, vol. 11, no. 4, pp. 11473–11486.
4. Fernández Dueñas, J., Ribas Alonso, J., Freixó Rey, A., and Sánchez Ferrer, A., Characterization of phosphorous forms in wastewater treatment plants, J. Hazard. Mater., 2003, vol. 97, pp. 193–205.
5. Barnard, L., A review of biological phosphorus removal in the activated sludge process, Water SA, 1976, vol. 2, no. 3, pp. 136–144.