Co-Authors - Afrizal Abdullah Sirad Afrizal Afrizal Agam Sinaga Alfiana Aminuyati Amril Amril Angelica Asianna Martini Simarmata Budi Raharjo, Teguh Charles Jhony Mantho Sianturi, Charles Jhony Mantho Claudie Tiofanny Darmawati Darmawati Dedy Lazuardi Desma Erica Maryati M Desma Erica Maryati Manik Dewantara, Nowell Dewi Melati Dian Setyorini Dina Hastalona Dina Rosmaneliana Edy Firmansyah EDY FIRMANSYAH Elisabeth Nainggolan Elisabeth Nainggolan Ersa Tarigan Eva Solita Pasaribu Febri Yanto Zai Feby Audrey Fitri Cahyani Fransisca, Caroline Gultom, Pesta Herlambang, Albert Hommy Dorothy Ellyany Sinaga Hommy Dorthy Ellyany Sinaga Hommy Dorthy Ellyany Sinaga Hommy Dorthy Ellyany Sinaga Hutabarat, Metyria Imelda Irvan Rolyesh Situmorang Jefri Jemmy Christian Rakinaung Junaedi Abas, Ahmad Junika Napitupulu Jupert Jasser Abellana Kelly Huang KRISTINA . Linda Wahyu Marpaung Loso Judijanto Luckyanto, Marvin Manik, Desma Erica Maryati MARDIAH HASANAH NASUTION Marihot Manullang Marpaung, Linda Wahyu Mashitah Binti Duralim Monetarist Butar Butar Nainggolan, Elisabeth Nainggolan, Susan G Nasution, Lisa Elianti Ngurah Pandji Mertha Agung Durya Nikous Soter Sihombing NIRWANA DEWI HARAHAP Norhaslina BT Asri Novilia, Fitri Nur Fadzillah Binti Jaafar Pratama Perangin-angin, Muhammad Farid Pristiyono Qadisa Putri Maharani Rahmad Dianta Purba Ramli Semmawi Rebecca Evadine Rusmin Saragih, Rusmin SALEH SITOMPUL Sihombing, Marto Simarmata, Asiana Sinaga, Hommy Dorthy Ellyany Sirwindy SITORUS, ERBIN Situmorang, Frenky Situmorang, Irvan Rolyesh Sri Rezeki Sri Rezeki Sri Rezeki Sri Rezeki Suardi Yakub Sujinny, Sujinny Sunday Ade Sitorus Susan G.V Nainggolan Susan Grace Nainggolan Tiofanny, Claudie Togar Timoteus Gultom Vesuvius, Deric Widalicin Januarty Wiranata, Wilson Yonson Pane Yulianti Hidayah Yusoff, Asliza