The Effect of Manakara Spalk Application on Reducing Anxiety in Preschool Children at Murni Teguh Horas Insani Hospital in Pematang Siantar. (2025). JPMulti : JURNAL PENDIDIKAN PENGAJARAN MULTIDISIPLIN, 1(1). https://mmipublisher.yayasanmmi.com/index.php/multidisciplinary/article/view/23