Analysis of Shrinkage on Thick Plate Part using Genetic Algorithm S.N. Najihah, Z. Shayfull, S.M. Nasir, Mohd Sazli Saad, M.M. Rashidi, M. Fathullah and N.Z. Noriman MATEC Web Conf., 78 (2016) 01083 Published online: 07 October 2016 DOI: 10.1051/matecconf/20167801083