Yamaguchi University Faculty of Enginering, 1013 – 2018.
The University of Nottingham
National University Corporation Ehime University Japan, 2018
National Taitung University, 2018.
National Koahsuing University of Science and Technology, 2018
Rajamanggala University Technology Krungthep, Thailand, 2018
Center for Southaest Asian Studies (CSEAS) Kyoto University (KU), Japan, 2016.
Michigan State Unuiversity (MSU) East Lansing, MI, USA & Unveritas Palangka Raya (UPR), Universitas Muhammadiyah Palngka Raya (UMP), Central Kalimantan, Indonesia, 2017.