Sumarah, Puji Wahyuningsih H, Indriana Widya Puspitasari I, Nur Wahyuni L. Improving Maternal Knowledge Through Pocketbook-Based Health Education. PJPM [Internet]. 2026 Aug. 1 [cited 2026 Sep. 14];7(2):162-74. Available from: https://ojs.polkespalupress.id/index.php/PJPM/article/view/4461