Febrianti, I. . Tri Utami, R. Wahyuni, and W. Febriani, “THE THE DIFFERENCES GIVING OF ENDORPHINE MASSAGE TOWARDS REDUCTION OF LABOR PAIN 1 ACTIVE PHASE IN PMB TIAS SUSIANAH, S.TR. KEB NORTH LAMPUNG IN 2020: THE DIFFERENCES GIVING OF ENDORPHINE MASSAGE TOWARDS REDUCTION OF LABOR PAIN 1 ACTIVE PHASE ”, Jaman, vol. 2, no. 1, pp. 52–60, Jan. 2021.