Efektifitas Edukasi Audio Visual Terhadap Kecemasan Pasien sebelum Tindakan Gastroscopy: Studi Systematic Review dan Meta-Analysis. JKN [Internet]. 2025 Aug. 28 [cited 2026 Oct. 8];1(1):6-12. Available from: https://jurnalnusantara.bayuaji.org/index.php/jkn/article/view/2