“Synthesis and Characterization of Some New Heterocyclic Compounds (Thiazolidine, Tetrazole And Azetidinone) from Schiff Bases Contain 1,4-Dihydropyridine”, BERJ, vol. 22, no. 1, pp. 188–208, Mar. 2026, doi: 10.33899/berj.2026.Vol22.Iss1.61913.