“Fine Structure Intervals ‎ ‎-‎ ‎ , ‎ ‎-‎ ‎ and ‎Electric Dipole Transition Rate ‎ ‎-‎ ‎ in ‎Phosphorus Isoelectronic Sequence ‎ ‎ ‎And Phosphorus Ions”. JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences 25, no. 5 (November 30, 2017): 1767–1777. Accessed May 3, 2025. https://www.journalofbabylon.com/index.php/JUBPAS/article/view/269.