Heykal M, Erlin E. Analisis Kinerja Perdagangan Kontrak Berjangka Logam Mulia pada Periode Oktober 2009 - Desember 2009. Binus Business Review [Internet]. 2011May30 [cited 2025Feb.23];2(1):181-9. Available from: https://journal.binus.ac.id/index.php/BBR/article/view/1122