Kh.Abbas, H., Hassan M.Al-saleh , A., & D.AL-Zuky, A. A. (2020). Determine the Best Mathematical Model for the Camera Viewing Angle as a Function of Object Distance. مجلة المستنصرية للعلوم والتربية, 17(3), 47–54. استرجع في من https://edumag.uomustansiriyah.edu.iq/index.php/mjse/article/view/149