Co-Authors Agnes Gulo Aritonang, Murni Benediktus Giawa Br Kaban, Karmila Brahmana, Elkana Pramujaya Bu?ulolo, Kandrinus Buulolo, Peri budi Dachi, Paul Karyaman Debi Novita Siregar Debora Paninsari Debora, Trionyta Dian Dian Elis Anggeria Fajariani, Novy Firman Halawa Ginting, Chrismis Novalinda Ginting, Liani Br Gulo, Legisnaria Gulo, Mitra Arif Gulo, Ruslan Efendi Halawa, Firman Hulu, Ristin Hulu, Yasozatulo Hutagaol, Priscillia Margaretta Junita, Ulya Anisa Kandrinus Bu’ulolo Kristina L Silalahi Laia, Fince Kristiani Laia, Ratnasari Laoly, Marnesry Rahmat Kristin Lisnawati Lubis Logis Mawarni Tambunan Lubis, Lisnawati lubis, muslim yanis Mei Krismon Laoli Mitasari Manalu Mitra Arif Gulo Muhammad Erdianta Samosir Munthe, Lily Ade Mutiara Novy Fajariani Nurmala Sari Pakpahan, Melva Santaria Patimah Sari Siregar Paul Karyaman Dachi Peri Budi Buulolo Putri Novi Yanti Halawa Putri, Zora Sahara Rafael Ginting Rahmi, Intan Mutia Ririn Julianisme Nainggolan Rosmianti Ge’e Rotua Sumihar Sitorus Ruslan Efendi Gulo Sari, Milza Sihombing, Agustina Silalahi, Kristina L Simamora, Antonia Yunita Sinaga, Chelfin Jekson Ricardo Sitepu, Elsis Abia Br. Sunarti Tarigan, Aldi Gunawan Tiarnida Nababan Triono, Heru Bambang Wau, Cheryl Sapta Drawita Yasozatulo Hulu Yurni Laia Yusmawarnita Zai Zahwa, Putri Naysila Zai, Yusmawarnita