T. Kruaehong*, S. Sujinnapram, T. Nilkamjon, S. Ratreng, and P. Udomsamuthirun, “Some Properties of Y3-8-11/Y211 Composite Bulk Superconductors”, Curr. Appl. Sci. Technol., vol. 13, no. 1, pp. 38–41, Mar. 2018.