T. Kruaehong, S. Sujinnapram, P. Udomsamuthirun, T. Nilkamjon, and S. Ratreng, “Effect of precursor of refinement Y211 on the superconductivity and structural of Y257 superconductor”, J. Mater. Sci. Appl. Energy., vol. 12, no. 3, p. 247682, Sep. 2023.