[1]
S. A. Siregar and R. Saragih, “THE EFFECT OF GYM BALL USE DURING PREGNANCY ON THE LABOR PROCESS AT THE INDEPENDENT MIDWIFE PRACTICE OF SUPIANI, S.KEB, MEDAN DELI SUB-DISTRICT”, Joecy Journal, vol. 6, no. 1, pp. 9518–9526, Feb. 2026.