Rubaye, A. Y. I. ., Al-Fregi, A. A. ., Zaidan, R. K. ., Al-Ali, M. A. H. ., Alamiery, A. A. ., & Kadhum, A. A. H. . (2026). Study of expired drug Phenazopyridine hydrochloride as a novel corrosion inhibitor for carbon steel in 1 M Hcl solution. International Journal of Innovative Research and Scientific Studies, 9(2), 64–79. https://doi.org/10.53894/ijirss.v9i2.11264