Livy Laysandra
Department of Chemical Engineering, Faculty of Engineering, Widya Mandala Surabaya Catholic University

Darwin Kurniawan
Department of Chemical Engineering, National Taiwan University of Science and Technology, No. 43, Sec 4, Keelung Rd,. Da'an District, Taipei City 106, Taiwan.
Indonesia

Felycia Edi Soetaredjo
Department of Chemical Engineering, Faculty of Engineering, Widya Mandala Surabaya Catholic University

Suryadi Ismadji
Department of Chemical Engineering, Faculty of Engineering, Widya Mandala Surabaya Catholic University
Indonesia