Fatima Dhari Jabbar et al. 2023. Nonparaxial Coefficients Influence of High Intense Laser Beam on The Relativistic Self-Focusing Inside Plasma. Journal of Population Therapeutics and Clinical Pharmacology. 30, 9 (May 2023), 1–8. DOI:https://doi.org/10.47750/jptcp.2023.30.09.001.