“POTRET DETERMINAN UNMET NEED KB MELALUI ECOLOGICAL APPROACH DI KABUPATEN ROKAN HILIR PROVINSI RIAU”. Majalah Kesehatan 12, no. 1 (April 16, 2025): 31–40. Accessed May 18, 2025. https://majalahfk.ub.ac.id/index.php/mkfkub/article/view/728.