Co-Authors Artha Lumban Tobing Br. Sihaloho, Juli Tiarma Dedona, Laurencia Primawati Degodona, L. Primawati Dian Sri Rezeki Lumban Gaol Dimpos Manalu Efarnia Zai, Lema Elfrida Aruan Evi Phaninora Pandiangan Gea, Silvia Grace Y Damanik Halawa, Ria Liana Hutahaean , Marlan Johnson Pasaribu Jonson Rajagukguk Lase, Masbin Setia Lumbanraja, Riana Lumbantobing, Artha Oktavianis, Zeni Olivia, Anggi Ananda Pardede, Desmon Jogi Pasaribu, Jhonson Pasaribu, Vera A. Putra, Michael Ade Rahmat Syukur Gulo Rajagukguk , Jonson Rajagukguk, Anggun N Rajagukguk, Melani Tionida Saragih, Agnes Paskariani Saragih, Sarah Maharani Saragih, Siska Novita siagian, lasma Siagian, Nalom Sianturi, Faldo Junayles Sihombing , Weldi Mario Swaresh Sihombing, Sriulina Silalahi, Indah My See Silvia Decmerry Natalia Gea Simangunsong, Ridhon M B Simorangkir, Tunggul Simson Berkat Hulu Siringoringo, Aprilia Sorta Sihombing Tarigan, Dodi Evrata Tobing, Artha Tobing, Artha L Tobing, Artha L. Vera A.R. Pasaribu Wau, Brilian Emastin Debora