Pakpahan, A.L.H. 2024. Pengaruh Endorpin Massage terhadap Penurunan Intensitas Nyeri Kala 1 Persalinan Normal. Journal of Language and Health. 5, 3 (Dec. 2024), 1481-1486. DOI:https://doi.org/10.37287/jlh.v5i3.5201.