S. Mntambo, P. Mdluli, M. Mahlambi, S. Onwubu, and N. Nxumalo, “Synthesis and characterisation of ultrafiltration membranes functionalised with C18 as a modifier for adsorption capabilities of polyaromatic hydrocarbons”, WSA, vol. 45, no. 1 January, Jan. 2019, doi: 10.4314/wsa.v45i1.15.