أرسل هذا في رسالة قصيرة: The best copula modeling of dependence structure among gold, oil prices, and U.S. currency

 __   _    _    _    _    _    __   __    _____   
| || | || | || | || | || | ||  \ \\/ //  /  ___|| 
| '--' || | || | || | || | ||   \ ` //  | // __   
| .--. || | \\_/ || | \\_/ ||    | ||   | \\_\ || 
|_|| |_||  \____//   \____//     |_||    \____//  
`-`  `-`    `---`     `---`      `-`'     `---`