Efectiveness of Birth Ball and Counterpressure on Labor Pain in The Siti Julaeha Midwife Practice, Pekanbaru City. JURNAL IBU DAN ANAK [Internet]. 30 November 2022 [dikutip 16 Januari 2026];10(2):75-81. Tersedia pada: https://jurnal.pkr.ac.id/index.php/JIA/article/view/585