Iryani, A. Sry, and Muh Fajrin Hidayat. “PENENTUAN KADAR NIKEL DALAM SAMPEL NIKEL ORE MENGGUNAKAN METODE PRESS MELALUI PEMBACAAN XRF”. Global Research and Innovation Journal, vol. 1, no. 1, Apr. 2025, pp. 329-35, https://journaledutech.com/index.php/great/article/view/66.