Co-Authors Afani, Mia Ambarita, Marsena Angelina Klara Ronita Manurung Bangun Munthe Bangun, Bangun Berlien, Richard Budiman Alvenson Purba Butarbutar, Imelda Canni Loren Sianturi Demak Claudia Yosephine Simanjuntak Doris Yolanda Saragih Doris Yolanda Saragih Dosmauli Angelia Sianipar Dumaris, Atri Elfina O.P Damanik Elfina Okto Posmaida Damanik Ester Paulina Zendrato Gayus Simarmata Grace Debora Siburian Hasrida Br Ambarita Hengki Mangiring Parulian Simarmata Hengki Mangiring Parulian Simarmata Herman Herman . HERMAN . Herman Herman Herman Herman Hutagalung, Christina Hutagalung, S.Lamriana Hutagalung, Sampe Roly Hutagalung, Trinisa Hutapea, Desi Meysari Jenetri, Yustina Julyanthry Julyanthry Jusra Tampubolon Jusra Tampubolon Leonita Maria E Manihuruk Maeyzar Prasetia Ndraha Medo Andre Purba Michael Fredrik Sihombing MULA SIGIRO Nelly Ervina Okti Marlindang Br. Pandiangan Pandiangan, Gian Reynaldo Pane, Eva Pratiwi PANJAITAN, MUKTAR B Partohap S. R Sihombing, Partohap S. R Pasaribu, Sunggul Pittauli Sinambela Poltak Pardamean Simarmata PURBA, LYDIA Purba, Nancy Angelia Purba, Ridwin Putri Florensyah Budu Rick Hunter Simanungkalit, Rick Hunter Riny, Riny Romsina Siregar Rona Arta Silitonga Saragih, Sepriandison Sauduran, Golda Novatrasio Sherly Sherly Sibatuara, Arta Sidabutar, Yanti Arasi Silalahi, Risro Rivera Simamora, Rianita Simamora, Rosalia Simanjuntak, Demak Claudia Yosephine Simanjuntak, Maretha Diona Simanjuntak, Ramindo Rini Sari Simanjuntak, Tarida Alvina Simatupang, Melyana Sinurat, Bloner Siregar, Ester Novela Siregar, Glosalia Sitorus P, Lampola Tambunan, Marlina Agkris Tannuary, Arwin Tasya Triana Naibaho Tengku Riza Zarzani N Tetty A. Tambunan Tumpal Manahara Siahaan Tumpal Richardo Sirait Turnip, Irma Wardani Vina Merina Br Sianipar Vita Riahni Saragih Wesly Nababan Wico Jontarudi Tarigan Yuli Oslin Imelda Br. Purba