HARIYANTO, Budi; M. PANGGABEAN, Lady; HAKIM, Luqman. Characterization of Citra Beach Sand Sukamara Regency Using XRF and XRD. Jurnal Jejaring Matematika dan Sains, [S. l.], v. 3, n. 1, p. 11–14, 2021. DOI: 10.36873/jjms.2021.v3.i1.503. Disponível em: https://e-journal.upr.ac.id/index.php/JMS/article/view/2904. Acesso em: 15 oct. 2025.