A (k,ℓ) Span in Three Dimensional Projective Space PG(3,p) Over Galois Field where p=4. cbej [Internet]. 2022 Dec. 18 [cited 2025 May 8];19(80):659-73. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/7999