D. Fitriyanti, E. Purwanti, J. Ridwan, M. R. Putri, Y. Rianti, and B. Bayhakki, “Penerapan Pursed Lip Breathing di Ruangan Jasmin Rsud Arifin Achmad Pekanbaru”, JN, vol. 10, no. 2, pp. 3432–3438, Feb. 2026.