Bakruddin B, Rachmatillah F, Amri A, Jalil Z. Identifikasi Kandungan Unsur pada Pasir Kuarsa Menggunakan Metode X-Ray Flourescence di Kecamatan Samadua, Aceh Selatan : Identification of Elemental Contents in Quartz Sand Using the X-Ray Flourescence Method in Samadua District, South Aceh . JJMS [Internet]. 2020 Dec. 30 [cited 2024 Nov. 23];2(2):32-5. Available from: https://e-journal.upr.ac.id/index.php/JMS/article/view/2702