Jaya, Susanti Tria, Nurin Fauziyah, and Suhariati Suhariati. 2019. “Effectiveness Of Giving Soy Milk To The Duration Of First Stage Of Labor”. STRADA : Jurnal Ilmiah Kesehatan 8 (2):158-64. https://doi.org/10.30994/sjik.v8i2.226.