Abou-Zied, Ashraf H., and Salema A. A. El-Mansory. 2014. “Synthesis of Pyrazolopyrazol Derivative via Reactions of Donor Compounds With 4-(2-Hydroxybenzylidene)-3-Methyl-1H-Pyrazol-5(4H)-One”. Al-Mukhtar Journal of Sciences 29 (1). Al Bayda, Libya:30-39. https://doi.org/10.54172/mjsc.v29i1.267.