DECREASED BACK PAIN IN TRIMESTER III PREGNANT WOMEN DUE TO PREGNANCY EXERCISE IN SIDOMULYO HEALTH CENTER OF PEKANBARU IN 2019. JURNAL IBU DAN ANAK [Internet]. 1 Juni 2020 [dikutip 19 Januari 2026];8(1):53-9. Tersedia pada: https://jurnal.pkr.ac.id/JIA/article/view/297