Jaralnabi Babou Jaralnabi, Zobida Noureldeen AbdAllaha. Forecasting The Volatilities of Stock Market Returns in Sudan and The Kingdom of Saudi Arabia during The Period 2000-2022. NAJSP [انترنت]. 7 أغسطس، 2025 [وثق 20 أغسطس، 2025];3(3):177-8. موجود في: https://najsp.com/index.php/home/article/view/550