Rahmawati, Yessi, Titin Andri Wihastuti, Tita Hariyanti, and Bambang Raharjo. 2024. “Effect of Intrinsic Factors on the Incidence of Preterm Birth in Mothers With High-Risk Pregnancies”. South Eastern European Journal of Public Health, November, 653-59. https://doi.org/10.70135/seejph.vi.1976.