Kırat, Güllü. “Nadir Toprak Elementleri Ve Yatak Türleri”. Euroasia Journal of Mathematics, Engineering, Natural & Medical Sciences 9, no. 23 (Eylül 25, 2022): 25–31. Erişim Şubat 26, 2024. https://euroasiajournal.org/index.php/ejas/article/view/277.