email: ardiyanto[at]ugm.ac.id or ardiyanto.1[at]osu.edu
office address:
Department of Mechanical and Industrial Engineering, Faculty of Engineering, Universitas Gadjah Mada
Jl. Grafika No.2, Kampus UGM Yogyakarta, Daerah Istimewa Yogyakarta, Indonesia 55281
social media:
twitter: @ardiyaan