Ismael M, Abdullah B. The importance of using financial engineering to form a hedging portfolio from the entrance to call options approach: “ Application in a sample of iraqi industrial shareholding companies ”. HJUOZ [Internet]. 2023 Feb. 11 [cited 2024 Dec. 22];11(1):172-87. Available from: https://hjuoz.uoz.edu.krd/index.php/hum/article/view/1037