1. Vehicle System Engineering; Malaysia-Japan International Institute of Technology; Universiti Teknologi Malaysia - International Campus; Jalan Semarak 54100 Kuala Lumpur Malaysia
2. Faculty of Engineering; Universitas Sebelas Maret; Jalan Ir. Sutami 36A, Kentingan Surakarta 57126 Central Java Indonesia
3. Chemical Engineering; University of Surabaya; Surabaya 60223 East Java Indonesia