Co-Authors A Simamora, Benjamin Angin, Renita Br Perangin Anton Luvi Siahaan Berlien, Richard Br Sitepu, Yesika Veronika Br Ujung, Elisabet Pebrina Butar-Butar, Injen Pardamean Devi Romauli Siahaan, Rina Dian Arisetya, Dian Dwi Priyanti Firman Pangaribuan Ginting, Muhammad Akhyar Gultom, Ardi Rakasiwi Gultom, Grace Amelia Insenalia Sampe Roly Hutagalung Junarti Junarti Junifer Siregar Lumbangaol, Sudirman T. P Manik, Ropitta Anjelina Manurung, Febrianti Manurung, Rosben Manurung, Yessi Hans Aprilia Monika Siahaan, Theresia Nababan, Maxtulus Junedy Nainggolan, Deby Wanli Napitupulu, Febriani Morina Napitupulu, Gloryna Natalina Opim Salim Sitompul Pandiangan, Surya Bakti Pasaribu, Sunggul Pratiwi Pane, Eva Purba, Arni Evianti Purba, Leony Purba, Nancy Angelia Purba, Yoel Octobe Rajainal Saragih Riahni Saragih, Vita Rick Hunter Simanungkalit, Rick Hunter Risma Hartati, Risma S, Rielfi Saib Suwilo Sanggam Siahaan Saragih, Widya Safira Siahaan, Basar Lolo Siahaan, Rina Devi Romauli Siahaan, Tara Agustian Sianipar, Herlina H Sianturi, Rector Sianturi, Yudika Manuela Nehemia Sidabutar, Ropinua Sidabutar, Ropinus Sihombing, Belsasar Sihombing, Besasar Silitonga, Immanuel Doclas Belmondo Simamora, Benjamin A Simamora, Rianita Simanungkalit, Rich Hunter Sinabang,  Febrianto Samuel Sinaga, Christa Voni R. Sitohang, Sukardo Sitorus, Esther Situmorang, Eduward Sukma, Angela Christine Surbakti Saragih, Reagan Sutarman Sutarman syofra, anil hakim Tambunan, Lois Tannuary, Arwin Zulmawati, Zulmawati