Co-Authors Alvionita, Ulva Hutagalung, Wahyu Juliarta, Grace Tessalonika Kristinasari, Dinda Ayu Pasaribu, Eva Rahmada, Suci Ayu Rini Lestari Saragih, Leitary Marswilla Sihombing, Sarah Simajuntak, Ananda Simangunsong, Ruth Yunilisa Simbolon, Ucok Gunlicen Sinaga, Debby Yuliana Sinaga, Fadilany Sinaga, Yeheskiel P. Sitindaon, Leni Margaretha Sonia Sonia, Sonia