R. . Kurniawan, “Kombinasi handheld fan dan alternate nostril breathing terhadap penurunan tingkat dispnea, nyeri, dan ansietas pada pasien CVD: The combination of a handheld fan and alternate nostril breathing in reducing dyspnea, pain, and anxiety among patients with CVD”, j. Keperawatan Tropis Papua, vol. 9, no. 1, pp. 54–60, Jun. 2026.