Author(s) : Universitas Kristen Petra - Ismail, Azman - Raduan, Nur Safina Mohd - Friyanto, Friyanto - Martati, Indah - Suminto, Suminto - Syarifuddin, Andi - Putra, Riyan Sisiawan - Anastasia, Njo - Mudiantono, Mudiantono - Prihanto, Agus - Aristyani, Ida Ayu Raras - Yasa, Ni Nyoman Kerti - Gemina, Dwi - Samsuri, Samsuri - Kusuma, Indra Cahya -