Early Detection and Preventive Education of Anemia in Pregnant Women through the Consumption of Purple Sweet Potato Biscuits at Sahabat Bunda Clinic. JPK [Internet]. 2026 Jul. 1 [cited 2026 Jul. 6];6(1):113-9. Available from: https://ejournal.medistra.ac.id/index.php/JPK/article/view/3696