Mohammed, R.R. 2025. Spectrophotometric Determination of Acyclovir Drug by Azo Coupling With 4,4’-Sulfonyldianiline and Study Properties of Thermodynamic. Journal of Kufa for Chemical Sciences. 5, 1 (Dec. 2025), 307–323. DOI:https://doi.org/10.36329/jkcm/2025/v5.i1.20213.