Zakaria, Rosnah, Asiah Mohd Nor, Nor Kartini Jaafar, and Ab Malik Marwan Ali. 2019. “Conductivity Performance of Biopolymer Membrane Based on Kappa-Carrageenan”. International Journal of Engineering & Technology 7 (4.14): 512-14. https://doi.org/10.14419/ijet.v7i4.14.27780.