Irvan Nurohim A, Rangkuti Z, Purnomo H. THE INFLUENCE OF TRAINING QUALITY AND ORGANIZATIONAL SUPPORT ON THE COMPETENCE OF PROSPECTIVE FUTURES BROKER REPRESENTATIVES THROUGH THE EXISTENCE OF PROFESSIONAL CERTIFICATION INSTITUTIONS IN THE FIELD OF COMMODITY FUTURES TRADING. JMBO [Internet]. 30 Mei 2026 [dikutip 13 Juni 2026];5(1):99-109. Tersedia pada: https://jurnal-cahayapatriot.org/index.php/jmbo/article/view/675