Wiyono, Henry, and Prayogae P. Putra. “The Effect of Breathing Exercises on the Anxiety Level of Preoperative Patients in the Dahlia Room, Dr. Doris Sylvanus Palangka Raya: The Effect of Breathing Exercises on the Anxiety Level of Preoperative Patients in the Dahlia Room, Dr. Doris Sylvanus Palangka Raya”. Jurnal Forum Kesehatan : Media Publikasi Kesehatan Ilmiah 12, no. 2 (February 9, 2023): 51–56. Accessed December 22, 2024. http://e-journal.polkesraya.ac.id/index.php/jfk/article/view/123.