Defi Eka Kartika, Imran Rosyadi, Sandra, Dwi Noviyani, Veralia, and Martha Yolanda. “Smartphone Video Education-Based Diaphragmatic Respiratory Intervention As An Effort To Improve The Comfort Of Breast Cancer Patients Who Undergoing Chemotherapy At Arifin Achmad Hospital Riau Province”. Informasi dan Promosi Kesehatan 3, no. 1 (June 25, 2024): 30–41. Accessed February 28, 2026. https://e-journal.saku.co.id/index.php/IPK/article/view/213.