1. Ugelstad Laboratory, Department of Chemical Engineering, Norwegian University of Science and Technology, Sem Saelands vei 4, NO-7491 Trondheim, Norway
2. Research and Development Centre for Oil and Gas Technology, LEMIGAS, Jl. Ciledug Raya No. Kavling 109, RT.7/RW.5, Cipulir, Kec. Kby. Lama, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12230, Indonesia