Institution: | 1. School of Mechanical Engineering, Yeungnam University, Gyeongsan 712-749, Republic of Korea;2. Chemical Engineering Department, Debre Berhan University, Debre Berhan 445, Ethiopia;3. Department of Physics, Andhra Loyola College, Vijayawada 520-008, Andhra Pradesh, India;4. Department of Computer and Media Engineering, Tongmyong University, Busan 48520, Republic of Korea |