Yulyani, Linda, and Menik Sri Daryanti. “Predisposing Factors Related to Four ANC Visits (K4) on TM III Pregnant Women at Danurejan I Primary Health Center of Yogyakarta”. GHMJ (Global Health Management Journal), vol. 4, no. 1, Aug. 2020, pp. 27-36, https://doi.org/10.35898/ghmj-41538.