Co-Authors Ambarita, Amsal Angela Novenita Lumbantobing Aritonang, Tiurmaida H. Artha Lumban Tobing Artha Lumbantobing Berkat, Karunia Br Sihaloho, Juli Tiarma Br. Hutagalung, Hizkia Dara Yein Butar Butar, Rosmainda Charles M. Sianturi Chetrin Ruth Caroline Panjaitan Dachi, Yahya Liok Debora Tambunan Degodona, L. Primawati Degodona, Laurencia Primawati Dian Sri Rezeki Lumban Gaol Dimpos Manalu Elfrida Aruan Gea, Silvia Ginting, Hami Br. Grace Y Damanik Gulo , Mutiara Wisda Gulo, Ardelia Gulo, Ika Dearni Putri Gulo, Wika Lestari Gurning, Relamhot Halawa, Ria Liana Harefa, Novitasari Hasibuan, Leo Jabonor Johnson Pasaribu Kepler Sinaga L Primawati Degodona Lamtio Dame Lorita Br Naibaho Lase, Yesi Maria Laurencia Primawati Degodona Lumban Gaol, Dody Harianto Lumbantobing, Artha Manalu , Dimpos Manalu, Darma Manurung, Priani Maringan Panjaitan Marlan Hutahaean Naibaho, Lamtio Dame Lorita Br Nduru, Sri Selvia Julita Pane, Jadi Panjaitan, Chetrin Ruth Caroline Pasaribu, Jhonson Pasaribu, Vera A. Primawati, L. Degodona Purba, Gress Sanita Dewi H Rahmat Syukur Gulo Rajagukguk, Anggun N Rajagukguk, Melani Tionida Rosmainda Butar Butar Sarumaha, Zeni Oktavianis siagian, lasma Siagian, Nalom Sianturi, Charles M. Sianturi, Cyndia Audria Sianturi, Faldo Junayles Sibarani, Ella Sihombing, Erika Juliana Sihombing, Natalia E. Sihombing, Natalia ET Sihombing, Novela Sihotang, Rewinda P.L Sihura, Risky Roi Putra Silvia Decmerry Natalia Gea Silvia Decmerry Natalia Gea Simamora, Anna Maria Simangunsong, Ridhon M B Simaremare, Donni Sinaga, Gracy Insani Sinaga, Sutinar Sitepu, Masta Manita Br Sitorus, Christina Mhirena Tafonao, Kamurnian Tarigan, Dodi Evrata Theresia Gulo Tobing, Angela Novenita L Tobing, Artha Tobing, Artha L Tobing, Artha L. Vera A.R. Pasaribu Zai, Jaya Zebua, Jul Forman