Olivia, S. S., Purnamasari, V., & Nugraheni, C. (2025). The Effect of E-Booklet-Based Education on Preoperative Anxiety Among Patients Undergoing General Anesthesia at Queen Latifa General Hospital, Yogyakarta. Jurnal EduHealth, 16(03), 1374–1384. Retrieved from https://ejournal.seaninstitute.or.id/index.php/healt/article/view/7247