selvi, selvia novitasari, and W. weti. “Pengaruh Diafragmatic Breathing Exercise Terhadap Frekuensi Nafas Pasien Asma”. Jurnal Ilmiah Kesehatan Mandira Cendikia, vol. 1, no. 1, Aug. 2022, pp. 18-22, https://journal.mandiracendikia.com/index.php/JIK-MC/article/view/54.