Padila Arisandi, Retno Dewi Prisusanti. The Effectiveness of Using Gymballs in Reducing Back Pain in the Third Trimester at the Hampang Community Health Center, Kotabaru Regency. Ventilator [Internet]. 2025 Mar. 31 [cited 2026 Jun. 14];3(1):319-28. Available from: https://jurnal.stikeskesdam4dip.ac.id/index.php/Ventilator/article/view/2324