1. Department
of Chemical Engineering, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi Hiroshima, 739-8527, Japan
2. Program
Studi Teknik Fisika, Fakultas Teknik Elektro, Telkom University, Jl.
Telekomunikasi Terusan Buah Batu, Bandung, 40257, Indonesia