Jabbar Sharif Radhi and Emad Bakr Al-Zangana 2023. Extension of Cap by Size and Degree in the Space PG(3,11)‎. Ibn AL-Haitham Journal For Pure and Applied Sciences. 36, 2 (Apr. 2023), 375–382. DOI:https://doi.org/10.30526/36.2.3025.