D. W. J. Tanlain, G. T. Sumini, D. R. Wati, dan N. Hidayati, “EFFECTIVENESS OF A COMBINED LABOR DANCE AND BIRTH BALL INTERVENTION IN REDUCING THE DURATION OF THE ACTIVE PHASE OF THE FIRST STAGE OF LABOR”, PWH, vol. 7, no. 1, hlm. 54–60, Jan 2026.