Evaluation of Direct Esterification of Fatty Acid Derivative of Kojic Acid in Co-solvent System: A Statistical Approach Journal title: Journal of Chemical Engineering & Process Technology Authors: Fatin Amirah Ahmad Norddin, Sharifah Nurfadhlin Afifah Syed Azhar, Siti Efliza Ashari Subject(s): Thermodynamics, Engineering, Chemical, Polymer Science, Electrochemistry