VitrianiO., HarahapJ. and NovanceP. (2020) “DECREASED BACK PAIN IN TRIMESTER III PREGNANT WOMEN DUE TO PREGNANCY EXERCISE IN SIDOMULYO HEALTH CENTER OF PEKANBARU IN 2019”, JURNAL IBU DAN ANAK, 8(1), pp. 53-59. doi: 10.36929/jia.v8i1.297.