Author(s) : Feny Elsiana - Liliany Sigit Arifin - Petra Christian University - Alegbe, Mark - Chukwuemeka, Lawrence - Kalu, John Lekwauwa - Eke-Nwachukwu, Amaka - Elmira Zanjabila - Kristanti Dewi Paramita - Felicia Ranita Angelica - Amelia Shafa Kartika - Yulianto Purwono Prihatmaji - Khansa Salma Aisyah - Vincentius Totok Noerwasito - Didit Novianto -

Author(s) : Petra Christian University - Feny Elsiana - Naufal Andi Irsyad - Ova Candra Dewi - Kartika Rahmasari - Nova Asriana - M. Donny Koerniawan - Tambunan, Lily - Beta Paramita - Ayo-Odifiri, Solomon Oisasoje - Ongkojoyo, Tiffany Aurelia - Liliany Sigit Arifin - Lapenangga, Apridus - Bebhe, Kristiana - Marche Seli -