Saadah, Kurniawati, & Sugiyanto Eddie Kusuma. " Kebijakan Cina Membatasi Ekspor LTJ (Logam Tanah Jarang) keAmerika Serikat." Electronical Journal of Social and Political Sciences (E-SOSPOL) [Online], 1.1 (2014): 34-44. Web. 22 Nov. 2024