Aprilia Peni Yukisara, Rita Yulifah, Duhita Diah Apsari. THE RELATIONSHIP OF AGE OF PREGNANT WOMEN TO WOMEN’S KNOWLEDGE ABOUT THE BIRTH PLANNING AND COMPLICATIONS PREVENTION PROGRAM (P4K). SEAJOM [Internet]. 2023Apr.28 [cited 2026Apr.17];9(1):18-1. Available from: http://journal-aipkind.or.id/index.php/seajom/article/view/199