Conference Hall and Auditorium of Bandar Lampung University (UBL), Dra. Sri Hayati Barusman Building, Zainal Abidin Pagar Alam Street No. 89 Labuhan Ratu, Bandar Lampung, Indonesia site : www.ubl.ac.id, Phone +62 721 3666625, Fax +62 721 701467