LINA, Anastasia; SERA, Anjelina. The Effect of The Use of Pregnancy Danger Signs Booklet on Mothers’ Knowledge at Public Health Center X: Anastasia Lina, Anjelina Sera. Jurnal Persada Husada Indonesia, [S. l.], v. 13, n. 1, p. 1–8, 2026. DOI: 10.56014/jphi.v13i1.471. Disponível em: https://jurnal.stikesphi.ac.id/index.php/kesehatan/article/view/471. Acesso em: 9 mar. 2026.