Co-Authors Abdul Jalil Abdul Muis Ade MeyLisca Nasution Ade MeyLisca Nasution Affadil, Muhammad Ahmad Fakhri Hutauruk Al Hazar, Badrizal Al'Ghani, Muhammad Zulfi Anggiat Sinurat Anggiat Sinurat Anggiat Sinurat Asnita Nainggolan Bongguk Haloho Bongguk Sihaloho Corry Corry Corry Corry, Corry Dabukke, Lamser Efendi Manalu Emelda Thesalonika Ginting, Andres M. Girsang, Herti Girsang, Samrin Gultom, Sunggul Haloho, Bongguk Harianja, Tuangkus Hasian Napitu Hasian Napitu Hasian Napitu Henny Siswindah Lumbantobing Herti Girsang Hutauruk, Hotdiana Kasimin Mardiani Mardiani Mardiani Mardiani Marentina Inggrid Sinaga Marudut Hasanuddin Panggabean Mkumbachi, Ramadhani Lausi Muhammad Gazali Bancin Muhammad Nur Hidayat Nadillah Amanda Napitu, Hasian Napitu, Ulung Napitupulu, Rio Parsaoran Nasution, Ade Mey Lisca Natalina Purba PANJAITAN, MUKTAR B Purba, Indra Gandi Resna Napitu Riki Saputra, Riki Rima Meilita Sari Rima Melatih Rosdiana Sinaga Rosmery Saragih Rumtini Saragih, Hisarma Saragih, Itawari Siahaan, Rikalayasi Sihombing, Lisbet Sihombing, Lisbet N. Sijabat, Desi SIMAREMARE, JUNI AGUS Sinurat, Anggiat Sunggul Gultom Thesalonika, Emelda Tioner Purba Tuangkus Harianja Tuangkus Harianja Tuangkus Harianja Tuty Ariani Nasution Ulung Napitu Ulung Napitu