Co-Authors Abdul Wahid Ali Warsito Amaral, Madalena A. Ariyanto . Avelin Elin Bartholomeus Pasangka Bernandus Bernandus, Bernandus Bukit, Minsyahril Bukit, Minsyharil Christine Mbiliyora Fidelis Nitti Frederika Rambu Ngana Gerda Pandu Hery L. Sianturi Johannes, Albert Z. Johannes, Albert Zicko Jonshon Tarigan Keristina Br. Ginting Lapono, Laura Anastasi Seseragi Laura A. S. Lapono Lende, Damaris Natalia Lerrick, Reinner Ishaq Mamut, Anastasia Maunino, Mariani R. Minsyahril Bukit Minsyahril Bukit Nahak, Beatrix M Pasangka, Bartholomeus Pingak, Redi Kristian Rapmaida M Pangaribuan Refli, Refli Sutaji, Hadi Imam Tanesib, Jehunias Leonidas Tarigan, Jhonson Tarigan, Jonshon Warsito, Ali