Co-Authors Acai Sudirman Awang Firdaos Butarbutar, Marisi Butarbutar, Novita Caniago, Chandra Christine Loist Damanik, Ronald Damanik, Tiara Sastika Darwin Lie Debi Eka Putri Delima Asyanti Simanjuntak Despaleri Perangin-Angin Dharma, Edy Edward, Yusuf Ronny Efendi Efendi Efendi, Efendi Elly Romy Elly Susanti Elly Susanti Erbin Chandra Ernest Grace Fitria Halim Ganovia, Paulus Hasibuan, Muhammad Aldiansyah Hery Pandapotan Silitonga Immanuel Fernando Hosea Manurung Ira Modifa Juan Anastasia Putri Julyanthry, Julyanthry Junaidi, Koko Karin Putri Azura Pulungan Kartini harahap Kevin Indajang Khairunnisah Lubis Lenny Dermawan Sembiring Lora Ekana Nainggolan Lubis, Abdi Kurnia Lubis, Susanti Sri Rezeki Manurung, Eriyanti Agustina Marintan Saragih Martin Martin Matondang, Sofiyan Nainggolan, Christine Dewi Nana Triapnita Nainggolan Olympic Olympic Pakpahan, Grace Endang Pantas, Hendrick Parhusip, Austin Alexander Pasaman Silaban Puji Syukran Pulungan, Karin Putri Azura Purba, Melfrianti Romauli Ramadhan Ramadhan Romy, Elly Rostina, Cut Fitri Ruth Tridianty Sianipar Saprida, Saprida Sekali, Abednego Suranta Karo sherly sherly Sianipar, Ruth Tridianti Sianipar, Ruth Tridiyanti Silitonga, Hery Pandapotan Simanjuntak, Delima Asyanti Sinaga, Tri Eva Maria Sisca Sisca Sisca Sisca, Sisca Sitanggang, Tina Novianti Sofiyan Sofiyan Sofiyan styawan, jody Supitriyani, Supitriyani Syaifuddin Syaifuddin Theodorus, Gabriella Franly Toga Sehat Sihite Toni, Nagian Vitri Tarigan Vivi Wahana Wahana, Vivi Yansen Siahaan Yunior, Khomeiny Yusniar Lubis