FARIDA, Noviyanti; SARTIKA, Mila; ISMOYOWATI, Tri Wahyuni; SOHILAIT, Hana Priscilla Frudence. Changes in Preoperative Anxiety Following Video-Based Re-Education Delivered via WhatsApp Among Patients Undergoing Appendectomy: A Pre-Experimental Study. Jurnal Keperawatan Komprehensif (Comprehensive Nursing Journal), [S. l.], v. 12, n. 4, 2026. DOI: 10.33755/jkk.v12i4.1064. Disponível em: https://journal.stikep-ppnijabar.ac.id/jkk/article/view/1064. Acesso em: 1 nov. 2026.