Siregar, Siti Arfah, and Rismaida 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”. Journal of Innovative and Creativity (Joecy) 6, no. 1 (February 6, 2026): 9518–9526. Accessed October 11, 2026. https://joecy.org/index.php/joecy/article/view/8227.