T. Katharina, A. Pipin, M. Audina, A. A, and S. Riani, “The Relationship Between Knowledge and Attitude of Mother in Labor Regarding Breathing Relaxation Therapy and Labor Pain at PMB Heti Setia Ningsih Pontianak in 2025”, JPHI, vol. 12, no. 3, pp. 51-60, Jul. 2025.