R. Moungnont, A. Pipatpongumpai, R. Klongphayabal, R. Pakdeejit, and C. Sangthongluan, “Feasibility Study in Establishment of Research and Innovation Institute of Provincial Electricity Authority”, Ph.D. in Soc. Sci. J., vol. 12, no. 3, pp. 806–819, Dec. 2022.