1. Mechanical Engineering Department; Engineering Faculty; Sebelas Maret University; Surakarta Jawa Tengah Indonesia
2. School of Materials and Mineral Resources Engineering; Universiti Sains Malaysia; Nibong Tebal Pulau Pinang Malaysia
3. Cluster for Polymer Composites (CPC); Science and Engineering Research Centre; Universiti Sains Malaysia; Nibong Tebal Pulau Pinang Malaysia