Journal of Sustainability Science and Management Volume 13 Number 1, June 2018 eISSN: 2672-7226 © Penerbit UMT Contents 1-10 Ionic Conduction Study of 2-Hydroxyethyl Cellulose Doped with Dodecyltrimethyl Ammonium Bromide Solid Biopolymer Electrolytes AND 11-25 Experimental Investigation of Different Characteristics of Biodiesel Derived from Cooking Oil Waste and and Pure Sunflower Oil , , AND …