Yudanari YG, Purnamasari F, Aini F. Perbedaan Tingkat Kecemasan Pasien Pre Operasi Sebelum dan Setelah diberikan Intervensi Teknik Relaksasi Otot Progresif Kombinasi Nafas Dalam: Differences Anxiety Levels in Preoperatif Patients Before and After Given Progressive Muscle Relaxation Technique Combine with Deep with Deep Breating Intervention. JKBS [Internet]. 2026 Jan. 19 [cited 2026 Aug. 7];4(1):108-14. Available from: https://jurnal.unw.ac.id/index.php/JKBS/article/view/4846