Congratulations to Pratama Jujur Wibawa, my PhD student at Universiti Tun Hussein Onn Malaysia (UTHM), on passing viva-voce for his PhD thesis on 18 Mac 2015. The viva-voce went well, but it took more than 8 hours, start from 10.30 to 18.45! External and internal examiners are Prof. Dr. Mohamad Rusop Mahmood (UiTM) and Assoc. Prof. Dr. Mohamad Zaky Noh (UTHM), respectively. The chairman of this viva-voce is Prof. Dr. Ismail Abdul Rahman. Pratama Jujur Wibawa is jointly supervised by Prof. Dr. Hashim Saim (UTHM), Assoc. Prof. Dr. Mohd Arif Agam (UTHM) and Prof. Dr. Hadi Nur (UTM).