Norong Perangin-angin; Azis Mangara; Shanty Maria lissanora Fernanda; Riska Wani Eka Putri Perangin-angin; Defri Elias Simatupang. Children’s Anxiety Levels Regarding The Impact of Hospitalization At The Army Pematang Siantar Hospital . ishel 2023, 1, 41-55.