Halimatusyadiah, Leni, Rina Octavia, Fathiyati Fathiyati, Salma Nur Giastami, and Firman Rezaldi. “The Effect of Birth Ball on Reducing Labor Pain in The 1st Active Phase at TPMB Wina Julaeli, S.Tr. Keb. Bdn in Labuan District, Banten Province in 2024”. Jurnal Biologi Tropis 24, no. 3 (July 18, 2024): 159–169. Accessed November 22, 2024. http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/7194.