Rermrux, Nutthapon, and Panu Danwanichakul. 2015. “Ionic Conductivity of Carbon Black-Filled Chitosan-Grafted-Poly (Vinyl Alcohol)/Poly (Vinyl Alcohol)Membranes”. Science & Technology Asia 15 (5):83-88. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/41245.