Saad Shakir Mahmoud, Noor Qasim Ali. Extended B-spline approach by using continuous least square approximation. .J.C.E [انترنت]. 20 سبتمبر، 2020 [وثق 4 يونيو، 2026];17(5):253-62. موجود في: https://edumag.uomustansiriyah.edu.iq/index.php/mjse/article/view/74