Khairunnisa, Umi Khairunnisa, Ridwan Yusuf Lubis, and Ety Jumiati. “Karakterisasi Pasir Besi Dan Sifat Magnetik Pantai Romantis Kabupaten Serdang Bedagai”. SAINTIFIK 10, no. 2 (July 31, 2024): 276 - 282. Accessed August 7, 2025. http://jurnal.unsulbar.ac.id/index.php/saintifik/article/view/505.