“Study of Copper Based Heteropolysalts as Catalysts in the Efficiency of Synthesis of 5-Ethoxycarbonyl-4-Phenyl-6-Methyl-3,4-Dihydropyridin-2(1H)-One”, EPSTEM, vol. 20, pp. 77–83, Dec. 2022, doi: 10.55549/epstem.1222649.