Anandita, M. Y. R., Anggraeni, L., & K, A. (2023). Effectiveness of The Combination Gym Ball and Peanut Ball Techniques on The Duration of Active Phase I Labor in Primigravida. JURNAL KEBIDANAN, 13(1), 71–77. https://doi.org/10.31983/jkb.v13i1.9557