Saadah, Kurniawati, AND 		Kusuma, Sugiyanto.
" Kebijakan Cina Membatasi Ekspor LTJ (Logam Tanah Jarang) ke Amerika Serikat" <em>Electronical Journal of Social and Political Sciences (E-SOSPOL)</em> [Online], Volume 1 Number 1 (29 January 2014)