Serli Sabela, Citra Aulia, and Girang Stevani Bancin. “ANALISIS HUBUNGAN TINGKAT PENDIDIKAN TERHADAP FERTILITAS DI KABUPATEN DELI SERDANG”. Triwikrama: Jurnal Ilmu Sosial 5, no. 8 (December 5, 2024): 81–90. Accessed August 24, 2025. https://ejournal.warunayama.org/index.php/triwikrama/article/view/7423.