Co-Authors . Sriyoto Agus Purwoko Anastasia Surbakti Anna Suwarni Arta Santrina Manalu Basuki Sigit Priyono Bian Suwarli Edi Paris Emlan Fauzi Indra Cahyadinata Ira Primalasari Marthalinda Dwi Putri Meiliza Cecilia Putri Suci Asriani Rahmi Yuristia Redy Badrudin Shofaul Afiffah Sriyoto Sriyoto Sumantri Maria Yulian Apriansyah