Chiam, C. K., M. Nurashiqin, K. Zykamilia, N. M. Ismail, K. Duduku, and S. Rosalam. 2018. “Coalescence of Oil Droplets Using Sponge-Like Structure of Polyvinylidene Fluoride Membranes”. Journal of Applied Membrane Science & Technology 23 (1). https://doi.org/10.11113/amst.v23n1.140.