Edison Hatoguan Manurung
(1), M. Alit Suryawan
(2), Hotasi Rogate Manurung
(3), Haruto Takahashi
(4)
(1)
Universitas Mpu Tantular, Indonesia,
(2)
Politeknik Negeri Ambon, Indonesia,
(3)
Universitas Mpu Tantular, Indonesia,
(4)
University of Tokyo, Japan