Shaema Khalaf, M. and Alazzawi, S.K. trans. 2026. Eco-Friendly Modification of Fused Pyrimidine Derivatives via Lemon Juice Catalyzed Biginelli Reaction . International Journal of Aquatic Research and Environmental Studies. 6, S2 (Jun. 2026), 317–324. DOI:https://doi.org/10.70102/ern7ts89.