Ekadjaja, Margarita, Amory Takahiro Theja, and Wilson Wijaya. “Hedging Training for Export and Import Business”. Journal of Innovation and Community Engagement 4, no. 4 (November 30, 2023): 219–231. Accessed June 15, 2025. http://114.7.153.31/index.php/ice/article/view/7552.