Co-Authors Asister Fernando Siagian Batubara, Silviantika Betsaida, Elisabeth br. Purba, Elperida Canni Loren Sianturi D. Yuliana Sinaga Damanik, Efriyanti Irene Damanik, Ramlan Emelda Thesalonika Firman Pangaribuan Gaol, Anna Lumban Gayus Simarmata Gultom, Adelina Marandani Gultom, Ernike Yulia Herlina Herlina Hutabarat, Russel Indira Tonggo Sitorus Jekmen Sinulingga Junifer Siregar L. Tobing, Minar Trisnawati Leonita Maria E Manihuruk Maika, Ruth Marbun, Yanty Maria Rosmauli Mariati Br. Barus Matondang, Dameria Dinamita Minar Trisnawati L Tobing Napitupulu, Rio Parsaoran Natasya, Natasya Delila PANJAITAN, MUKTAR B Pasaribu, Hana Pasaribu, Sunggul Pasaribu, Yusniar Paulus, Vebri Jaya Purba, Asriaty R Purba, Nancy Angelia Purba, Yoel Purba, Yoel Octobe Saragih, Richsya Octrasima Saragih, Sonia Sagita Siahaan, Mutiara Santi Siahaan, Novia Tiladur Natalin Siahaan, Theresia Monika Siallagan, Febriani Sianturi, Monalisa Frince Siburian, Yesika Sidabutar, Ropinus Sidabutar, Yanti Arasi Sihombing, Lisbet Sihotang, Henriko Sijabat, Desi Sijabat, Osco P. Sijabat, Osco Parmonangan Silaban, Ida Sihenrawati Silaban, Rosinda Merari Silaen, Srinatalia Simajuntak, Melvin Simanjuntak, Sania Segar Simanjuntak, Sondang Simanjuntak, Tarida Alvina SIMAREMARE, JUNI AGUS Simarmata, Radode Kristianto Simbolon, Rorenta Desfrinaya Sinaga, Deain Santri Sinaga, Deby Yuliana Sinaga, Norbertus Sipayung, Lara Fika Br Sirait, Esti Marlina Sirait, Jumaria Sitio, Hetdy Sitohang, Sukardo Sitorus P, Lampola Sukardo Sitohang Tambunan, Marlina Agkris Thesalonika, Emelda Tobing, Minar