Ibtisam Taufek Ameen, Gazwan Hassan Al-Soumadaiy and Khudhair. Aba’as Khudhair 2023. Synthesis and Characterization of Heterocyclic Bicyclic from the Condensation of the Pyrazole Derivatives with Aldehydes and Ketones. Tikrit Journal of Pure Science. 21, 5 (Feb. 2023), 72–81. DOI:https://doi.org/10.25130/tjps.v21i5.1031.