Andriana, A., Hadisaputro, S., & Santjaka, A. (2021). Effect of Vitamin D on Hormonal Factors in Women with Polycystic Ovary Syndrome (PCOS): Systematic Review and Meta-analysis. STRADA : Jurnal Ilmiah Kesehatan, 10(1), 410–421. https://doi.org/10.30994/sjik.v10i1.653